Wikipedia:WikiProject Core Content/Hotlist articles
Appearance
This is a list of 5,218 articles from Wikipedia:WikiProject Missing encyclopedic articles/Hot (latest revisions as of August 28, 2022), with redirects resolved, and excluding disambiguation pages. The list can also be found at PagePile #44567.
List
[edit]- 1600–1650 in Western European fashion
- 1834 Additional Act
- 1892 Coeur d'Alene labor strike
- 341
- A. A. Milne
- A. B. Frost
- A. Barton Hepburn
- A. G. Edwards (bishop)
- ABC FlowCharter
- AGP Inline Memory Module
- AIM alliance
- AK Steel Holding
- ALGOL
- ALL-IN-1
- ALOHAnet
- AOL TV
- API
- ARM architecture family
- ASC X12
- ASCII
- ASDE-X
- AT (form factor)
- AUTOEXEC.BAT
- Abbasid Caliphate
- Abbe number
- Abbevillian
- Abbots Bromley Horn Dance
- Abby Hadassah Smith
- Abby Kelley
- Abby Lillian Marlatt
- Abby Morton Diaz
- Abd Allah ibn Sa'd
- Abd al-Ghani al-Nabulsi
- Abd al-Hafiz
- Abdallahi ibn Muhammad
- Abdel Hakim Amer
- Abdul Rahman al-Eryani
- Abe Ruef
- Abel Herzberg
- Abel-beth-maachah
- Aberdeen Angus
- Abhibhavayatana
- Abhidhammattha-sangaha
- Abhidhammāvatāra
- Abhisamayalankaraloka
- Abigail Goodrich Whittelsey
- Ableman v. Booth
- Aboriginal Protection Act 1869
- Abraham ibn Ezra
- Absorption spectroscopy
- Abu Hasan al-Ash'ari
- Abu Sa'id Abu'l-Khayr
- Abu'l-Fazl ibn Mubarak
- Abu'l-Faḍl
- Abubakar Tafawa Balewa
- Abyssal hill
- Acanthophractida
- Accademia della Crusca
- Accent (music)
- Acceptor (semiconductors)
- Access control
- Access token
- Accounting machine
- Acervulus
- Achaeans (Homer)
- Achille Castiglioni
- Achsah
- Achziv
- Acid–base homeostasis
- Aconchulinida
- Acoustic emission
- Acoustic microscopy
- Acoustic radiometer
- Acoustic trauma
- Acousto-optic modulator
- Acrothoracica
- Actinobacillus
- Actinomycetales
- Actinophryid
- Action selection
- Active Archive Alliance
- Active Directory
- Active Network, LLC
- ActiveMovie
- ActiveX
- ActiveX Document
- Ad-Dahna Desert
- Ada (programming language)
- Addressable cursor
- Adhesion
- Adhesive bonding
- Adin
- Adobe FreeHand
- Adobe PageMill
- Adolf Dehn
- Adolf Dygasiński
- Adolf Frey
- Adolf Rudnicki
- Adolfo Pérez Esquivel
- Adolfo Venturi
- Adolph Green
- Adolphe Max
- Adorno family
- Adrar Plateau
- Adrenal gland disorder
- Adriaen Brouwer
- Adrian Kantrowitz
- Adriatic question
- Adrien Albert Marie de Mun
- Adullamites
- Adurim
- Advanced RISC Computing
- Advanced Systems Format
- Advertising in biology
- Adware
- Aecium
- Aegadian Islands
- Aeneas (biblical figure)
- Aeroacoustics
- Aerodynamic force
- Aeroelasticity
- Aethionema
- Afewerki
- Affair of the Spanish Marriages
- Affonso Eduardo Reidy
- Affymetrix
- African Association
- African horse sickness
- African-American dance
- Afrânio Coutinho
- Afterglow
- Agami
- Aganju of Oyo
- Agapemonites
- Agarwood
- Agave coetocapnia
- Age-area hypothesis
- Ageng Tirtayasa of Banten
- Aggtelek
- Agnatha
- Agnes Surriage Frankland
- Agonomycetes
- Agostino Bertani
- Agostino da Siena
- Agoua
- Agreement of Saint-Jean-de-Maurienne
- Agrobacterium
- Agustín Yáñez
- Aharonov–Bohm effect
- Ahiram sarcophagus
- Ahmed Lutfi el-Sayed
- Air conditioning
- Air freshener
- Air mass
- Air separation
- Air2Web
- Airborne early warning and control
- Aircraft engine
- Aircraft engine performance
- Ait Kamara
- Aizawa Seishisai
- Akal n-Iguinawen
- Akan people
- Akimiski Island
- Akkadian literature
- Akriyavada
- Aksak
- Aktobe
- Akwamu
- Al-Basasiri
- Al-Hasakah
- Al-Sha'rani
- Al-Shadhili
- Alabama River
- Alabastron
- Alaca Höyük
- Aladura
- Alagoinhas
- Alan Wace
- Alap
- Alarm filtering
- Alarm signal
- Alasdair MacIntyre
- Alaska North Slope
- Alatna River
- Alaşehir
- Albany River
- Albarello
- Albeluvisols
- Albert Apponyi
- Albert Bartholomé
- Albert Brisbane
- Albert C. Barnes
- Albert Demangeon
- Albert Edelfelt
- Albert Fink
- Albert Francis Blakeslee
- Albert Frey-Wyssling
- Albert Gleizes
- Albert Goldbarth
- Albert Grey, 4th Earl Grey
- Albert Mansbridge
- Albert Margai
- Albert Michotte
- Albert Paine
- Albert Perry Brigham
- Albert Renger-Patzsch
- Albert Sarraut
- Albert Sauveur
- Albert Siklós
- Albert Southworth
- Albert Steffen
- Albert Szent-Györgyi
- Albert Verwey
- Albert W. Hull
- Albert William Stevens
- Albert, Prince Consort
- Albert-Ernest Carrier-Belleuse
- Alberta Basin
- Alberti family
- Albertine Necker de Saussure
- Albertino Mussato
- Alberto Blest Gana
- Alberto Burri
- Alberto Cavalcanti
- Alberto Gainza Paz
- Alberto Lista
- Albery family
- Albin Zollinger
- Albion Fellows Bacon
- Albrecht Bethe
- Albrecht Pfister
- Albrecht Rodenbach
- Albrecht von Bernstorff
- Albrecht von Roon
- Albrecht von Wallenstein
- Albret
- Alcaic stanza
- Alcalá de Guadaíra
- Alcalá la Real
- Alceu Amoroso Lima
- Alchemilla alpina
- Alcina Lubitch Domecq
- Alclad
- Alcyonacea
- Aldan (river)
- Aldo Castellani
- Aldus Manutius
- Aldus Manutius the Younger
- Alessandro Magnasco
- Alexander Bestuzhev
- Alfeios
- Alfonsine tables
- Alfred Bertholet
- Alfred Charles True
- Alfred Church Lane
- Alfred Corn
- Alfred Cort Haddon
- Alfred Cortot
- Alfred Gaul
- Alfred Gilpin Jones
- Alfred H. Love
- Alfred Hauge
- Alfred Herrhausen
- Alfred Hettner
- Alfred Holder
- Alfred Hutchinson
- Alfred Ilg
- Alfred Jacob Miller
- Alfred Korzybski
- Alfred Kreymborg
- Alfred Kroeber
- Alfred Lacroix
- Alfred Mombert
- Alfred Munnings
- Alfred Métraux
- Alfred Perceval Graves
- Alfred Sharpe
- Alfred Smith Barnes
- Alfred Stevens (painter)
- Alfred Tobin
- Alfred Tozzer
- Alfred V. Kidder
- Alfred d'Orsay
- Alfred von Kiderlen-Waechter
- Alfred-Amédée Dodds
- Alfredo Baldomir
- Alfredo Niceforo
- Alfredo Panzini
- Alfvén wave
- Algebraic expression
- Algebraic fraction
- Algernon Sidney Crapsey
- Algirdas Brazauskas
- Algol
- Algum
- Alhucemas Islands
- Alice Barber Stephens
- Alice Catherine Evans
- Alice Childress
- Alice Dunbar Nelson
- Alice Eastwood
- Alice Freeman Palmer
- Alice Hegan Rice
- Alice Lenshina
- Alice Meynell
- Alice Middleton Boring
- Alice Morse Earle
- Alice Nielsen
- Alice Salomon
- Alice Stopford Green
- Alice Throckmorton McLean
- Alice Van Vechten Brown
- Alicia Alonso
- Alick Isaacs
- Alicyclic compound
- Alids
- Alimenta
- Aline Bernstein
- Alisol
- Alison Steadman
- Alişar Hüyük
- Alkaline earth metal
- Alkyd
- Alkylation
- All-or-none law
- Allada
- Allammelech
- Allan MacLeod Cormack
- Alleculinae
- Allee
- Alleghanian orogeny
- Allegory
- Allen Curnow
- Allen Lane
- Allen Park, Michigan
- Alliance
- Alliance for Patriotic Reorientation and Construction
- Alliott Verdon Roe
- Alliterative Revival
- Allium neapolitanum
- Allium sphaerocephalon
- Allodial title
- Allosteric enzyme
- Alma Bridwell White
- Alma-Tadema
- Almah
- Almamy Ahmadou of Timbo
- Almansa Dam
- Almanzor
- Almetyevsk
- Almira Hart Lincoln Phelps
- Almon Diblathaim
- Alois Lexa von Aehrenthal
- Alois Senefelder
- Alonso Berruguete
- Alonso Cano
- Alonso Carrió de la Vandera
- Alonso Pérez de Guzmán
- Alonso Sánchez Coello
- Alonsoa
- Alonzo Potter
- Alootook Ipellie
- Aloysia citrodora
- Alpha Capricornids
- Alpha Condé
- Alpha decay
- Alpha effect
- Alpha particle
- Alphabet
- Alphamosaic
- Alpheus (deity)
- Alphonse Beau de Rochas
- Alphonse Juin
- Alphonse Pyramus de Candolle
- Alphonse-Marie-Marcellin-Thomas Bérenger
- Alpine plant
- Alpine transhumance
- Altai Republic
- Alternatim
- Altimeter
- Amateur telescope making
- Amboise conspiracy
- American Brahman
- American Federation of Information Processing Societies
- Ameura
- Amoeba
- Amona, Mateh Binyamin
- Amplifier
- Amr ibn al-As Mosque
- Anan ben David
- Anathoth
- Anchusa barrelieri
- Ancient Greek novel
- Ancient Mesopotamian religion
- Ancient South Arabian script
- Anders Danielsson
- Anderton Shearer Loader
- Andreaeaceae
- Andrena
- Angostura trifoliata
- Angular momentum operator
- Anheuser-Busch
- Animal breeding
- Animal navigation
- Animal sanctuary
- Animikie Group
- Ann Preston
- Ann Teresa Mathews
- Anna Peck Sill
- Anna Warner Bailey
- Anouvong
- Anredera cordifolia
- Anterior pituitary
- Antoine Arnauld
- Antoine Augustin Calmet
- Anton Brugmans
- Antonio da Correggio
- Aonidiella aurantii
- Aotus gracillima
- Aouelloul crater
- Apalachee Bay
- Apamea (Phrygia)
- Aparicio Méndez
- Apartment
- Apatzingán
- Apep
- Apepi
- Aperture
- Aperture (antenna)
- Aperture card
- Aphthartodocetae
- Apizaco
- Aplio
- Apocrine
- Apodization
- Apollo Victoria Theatre
- Apollon Grigoryev
- Aponogeton
- Apophyllite
- Apostomatida
- Apothecaries' system
- Apotropaic magic
- Appalachian Mountains
- Appaloosa
- Append
- Appius Claudius Crassus Inregillensis Sabinus
- Appius Claudius Sabinus Regillensis
- Apple Extended Keyboard
- Apple File Exchange
- Apple menu
- Apple of Discord
- AppleShare
- Applet
- Application Foundation Classes
- Application server
- Application service provider
- Application sharing
- Application software
- Application-level gateway
- Apponaug, Rhode Island
- Appulse
- Appurtenance
- Aprey Faience
- April Uprising of 1876
- Apterygota
- Aptian
- Aqa Mirak
- Aquatic insect
- Aquatic locomotion
- Aquidneck Island
- Aquila (constellation)
- Aquila of Sinope
- Aquilegia
- Ar (city)
- Arab Bank for Economic Development in Africa
- Arab Customs Union
- Arab Fund for Economic and Social Development
- Arab Higher Committee
- Arab Monetary Fund
- Arabella Mansfield
- Arabella Pollen
- Arabesque
- Arabian Basin
- Arabian Sea
- Arabic music
- Arabis alpina
- Aracari
- Araeolaimida
- Araeoscelidia
- Araguaia River
- Araguari
- Arakan Mountains
- Aral Karakum Desert
- Aralia chinensis
- Arameans
- Arash Pournouri
- Aratta
- Arauca River
- Araunah
- Aravidu dynasty
- Arcellinida
- Archaeological Institute of America
- Archaeopteridales
- Archaeornithes
- Archangel
- Archbishop of Westminster
- Archduke Charles, Duke of Teschen
- Archean
- Archevite
- Archiacanthocephala
- Archibald Clark Kerr, 1st Baron Inverchapel
- Archibald Garrod
- Archibald Grimké
- Archibald Primrose, 5th Earl of Rosebery
- Archibald Wavell, 1st Earl Wavell
- Archidamus I
- Archidamus IV
- Archidamus V
- Archimedes number
- Archimedes' screw
- Archinephros
- Archipelagic apron
- Archite
- Architecture of Canada
- Architecture of Mexico
- Archive bit
- Arcole
- Arcos de la Frontera
- Arctolepis
- Arctotis stoechadifolia
- Ardashir III
- Ardisia japonica
- Area density
- Arecidae
- Aref al-Dajani
- Arenaria balearica
- Arenig
- Arenite
- Arent van Curler
- Areopagitica
- Arero
- Arethusa (mythology)
- Arevaci
- Arfersiorfik Fjord
- Argemone
- Argentaffin
- Argentine Basin
- Argentinidae
- Argillite
- Arguin
- Argument of latitude
- Argument of periapsis
- Argungu
- Arhynchobdellida
- Ari Thorgilsson
- Ariane Mnouchkine
- Ariano Irpino
- Ariano Suassuna
- Arieh
- Ariel (angel)
- Arimathea
- Arinos River
- Ariobarzanes
- Ariq Böke
- Aristides Agramonte
- Aristides Royo
- Aristolochia sipho
- Arithmetic
- Ariwara no Narihira
- Ark clam
- Arkady Raikin
- Arkady Vorobyov
- Arkansas River
- Armand Jean le Bouthillier de Rancé
- Armand-Augustin-Louis de Caulaincourt
- Armand-Emmanuel de Vignerot du Plessis, duc de Richelieu
- Armando Carlini
- Armando Diaz
- Armando Palacio Valdés
- Armas Järnefelt
- Armatoloi
- Armature (electrical)
- Armed Forces Provisional Ruling Council
- Armenian chant
- Armenian literature
- Armeria
- Armilus
- Armistice of Mudanya
- Armoni and Mephibosheth
- Armorican Massif
- Arnaud Guillaume de Barbazan
- Arnaud-Michel d'Abbadie
- Arne Garborg
- Arnebia
- Arno Holz
- Arno of Salzburg
- Arnold Brecht
- Arnold Daly
- Arnold Fitz Thedmar
- Arnold Houbraken
- Arnold Pannartz and Konrad Sweynheim
- Arnold van Keppel, 1st Earl of Albemarle
- Arnoul Gréban
- Arnošt Lustig
- Aro people
- Arpad, Syria
- Arpent
- Arqa
- Arras lace
- Arrastra
- Array data structure
- Arrow keys
- Arsenio Martínez Campos
- Arsinoe I
- Arsis and thesis
- Arsène Pujo
- Art of Mathura
- Art of Mesopotamia
- Arte Povera
- Artem
- Artemas
- Artemidorus
- Artemisa
- Artemisia (plant)
- Artemisia abrotanum
- Artemisia umbelliformis
- Artesian aquifer
- Arthracanthida
- Arthrodira
- Arthropathy
- Arthropod
- Arthur Benjamin
- Arthur Bowen Davies
- Arthur Brisbane
- Arthur Chichester, 1st Baron Chichester
- Arthur Cronquist
- Arthur Dobbs
- Arthur Elphinstone, 6th Lord Balmerino
- Arthur Erdélyi
- Arthur F. Bentley
- Arthur F.E. van Schendel
- Arthur Fleming (electrical engineer)
- Arthur Foote
- Arthur Heygate Mackmurdo
- Arthur Hinsley
- Arthur I. Boreman
- Arthur III, Duke of Brittany
- Arthur Kill
- Arthur Kill Bridge
- Arthur Kingsley Porter
- Arthur Kopit
- Arthur Krock
- Arthur Lee, 1st Viscount Lee of Fareham
- Arthur M. Banta
- Arthur M. Schlesinger Jr.
- Arthur M. Schlesinger Sr.
- Arthur Oncken Lovejoy
- Arthur Penn
- Arthur Pue Gorman
- Arthur Purves Phayre
- Arthur Rudolf Hantzsch
- Arthur Saint-Léon
- Arthur Siegel
- Arthur Symons
- Arthur Upfield
- Arthur Vineberg
- Arthur Winnington-Ingram
- Arthur Woolf
- Artibonite River
- Articulata (Crinoidea)
- Artificial intelligence
- Artuqids
- Artur Lundkvist
- Arturo Martini
- Arumah
- Arvida, Quebec
- Arwad
- Aryeh Leon Kubowitzki
- Aryl
- Arza
- Arzamas Society
- As-Suwayda
- Asada Goryu
- Asahel
- Asaiah
- Ascension of Jesus
- Ascetosporea
- Aschelminth
- Ascher
- Asellota
- Ash (analytical chemistry)
- Ash'ari
- Ashbel
- Ashendene Press
- Asher
- Ashkenaz
- Ashokan Reservoir
- Ashta Pradhan
- Ashteroth Karnaim
- Ashur (Bible)
- Ashur (god)
- Ashurnasirpal II
- Asiatic Low
- AskSam
- Askaryan radiation
- Askeri
- Askiya Dynasty
- Asmodeus
- Asparagus aethiopicus
- Asparagus setaceus
- Aspen
- Aspen Music Festival and School
- Asperula
- Asphaltite
- Aspidorhynchiformes
- Asrava
- Asselar man
- Assembled gem
- Assembly language
- Assignment (computer science)
- Assinie-Mafia
- Associated Universities, Inc.
- Associated state
- Association of Information Technology Professionals
- Association of Personal Computer User Groups
- Association of Software Professionals
- Assyrian sculpture
- Astronomical coordinate systems
- Atmospheric optics
- Atom cluster
- Attalea speciosa
- Attenuation coefficient
- Attitude indicator
- Aubrieta
- Auburn system
- Aucassin and Nicolette
- Aucuba
- Audio Interchange File Format
- Audio and video interfaces and connectors
- Audio watermark
- Audiovisual
- Audiovisual education
- Auerstedt
- Augrabies Falls
- August Bournonville
- August Vermeylen
- August W. Eichler
- August Wilhelmj
- Augusta Braxton Baker
- Augusta Emma Stetson
- Augusta Jane Evans Wilson
- Augusta Maywood
- Augusta Savage
- Auguste Chouteau
- Auguste Pavie
- Auguste Vestris
- Augustin-Jean Fresnel
- Augustus Bradford
- Augustus Charles Pugin
- Augustus Thomas
- Aureation
- Aurelian Walls
- Aurignac
- Aurinia saxatilis
- Aurès
- Austin Flint I
- Australian Cattle Dog
- Australian Charbray
- Australian Constitutions Act 1850
- Australian Patriotic Association
- Australian rodeo
- Austrian Empire
- Authorization
- AutoRun
- Autodesk 3ds Max
- Automated decision-making
- Automatic call distributor
- Autotelic
- Auyuittuq National Park
- Aventurine
- Averroism
- Aviation law
- Avim
- Avocado
- Avon, New York
- Axel von Fersen the Elder
- Axel von Fersen the Younger
- Axonopus
- Azores High
- Azrael
- Azulejo
- Aïn Draham
- Aïn Séfra
- Aïr Mountains
- Ağrı
- Aşıkpaşazade
- B-Y
- BIFF
- BIOS
- BIX
- BL Lacertae object
- BMP file format
- BRCA1
- Ba'alat, Lady of Byblos
- Baal Berith
- Baal-Hermon
- Baal-hazor
- Baal-meon
- Baalis
- Baan Corporation
- Baana
- Baarle-Hertog
- Bab (Shia Islam)
- Baba Tahir
- Babette Deutsch
- Babiana
- Babute
- Bacabal
- Baccio
- Baccio Bandinelli
- Bache Peninsula
- Back Orifice
- Back-side bus
- Backbone network
- Background noise
- Background radiation
- Backshore
- Backup
- Backup site
- Backward-wave oscillator
- Bacterial genetics
- Bacterial taxonomy
- Bad Homburg
- Bad Nauheim
- Bad sector
- Badagry
- Badarian culture
- Badin
- Baffin Island Current
- Bafia
- Baghdad School
- Baglioni family
- Bagmati River
- Bagnold number
- Baguida
- Bagutta Prize
- Bagyidaw
- Baha ad-Din ibn Shaddad
- Baha' al-din al-'Amili
- Bahama Banks
- Bahariya Oasis
- Bahawalnagar
- Bahr el Zeraf
- Bahram Chobin
- Bahubali
- Bahurim
- Bai Bureh
- Baia
- Baikal Nature Reserve
- Bailey Willis
- Bailundo
- Baily's beads
- Bailén
- Baixada Fluminense
- Bajío
- Bak file
- Bakewell Glass
- Bakhtegan
- Bakhtiari rug
- Bakony
- Bakoy River
- Baku
- Balaam
- Balaghat Range
- Balak
- Balance of nature
- Balangir
- Balanomorpha
- Balanophoraceae
- Balbinus
- Baliqiao
- Balkan Pact
- Balkline
- Ball cactus
- Ball mill
- Ball's Bluff Battlefield and National Cemetery
- Ballet
- Ballet Comique de la Reine
- Ballet Folklórico de México
- Ballet Russe de Monte-Carlo
- Ballet d'action
- Ballistic pendulum
- Ballistocardiography
- Ballistospore
- Balmer series
- Balsas River
- Baltasar Brum
- Baltasar Lopes da Silva
- Balthasar de Beaujoyeulx
- Balthasar van der Pol
- Baltic Entente
- Baltic area runestones
- Baltic mythology
- Baltimore crisis
- Baltra Island
- Bamana Empire
- Bamboccianti
- Bamboo Annals
- Barn
- Baroque
- Baroque music
- Barotropic fluid
- Barotropic vorticity equation
- Barra Mansa
- Barra do Piraí
- Barrackpore mutiny of 1824
- Barred spiral galaxy
- Barrel piano
- Barremian
- Barren Grounds
- Barrett Wendell
- Barrington Moore Jr.
- Barry Bonds
- Barry Byrne
- Barstovian
- Bartholomeus Anglicus
- Bartholomeus Spranger
- Bartolomeo Carducci
- Bartolomeo Montagna
- Bartolomé Bermejo
- Bartolomé Carranza
- Bartolomé Ordóñez
- Bartolomé de Medina (theologian)
- Bartolomé de Torres Naharro
- Bartonellosis
- Bartonian
- Bartramia pomiformis
- Baruni
- Baruta Municipality
- Barylambda
- Baryon number
- Barṣīṣā
- Basawan
- Base level
- Baseband
- Baselining
- Bashford Dean
- Bashir Shihab II
- Bashir Tofa
- Basic Rate Interface
- Basic oxygen steelmaking
- Basil (name)
- Basil Lekapenos
- Basil of Ancyra
- Basilian monks
- Basilica of Maxentius
- Basirhat
- Basmala
- Basohli (town)
- Basommatophora
- Bass (fish)
- Bass Otis
- Bassari people
- Basse-taille
- Bast fibre
- Bastam
- Bastet
- Basílio da Gama
- Batch processing
- Bathurst Island (Nunavut)
- Batia Grossbard
- Battle of Bicocca
- Battle of Borodino
- Battle of Deorham
- Battle of Ilerda
- Battle of Island Number Ten
- Battle of Majuba Hill
- Battle of Siddim
- Bead test
- Beaver
- Beer
- Beetle
- Behistun Inscription
- Belessa River
- Bell 201
- Bell UH-1 Iroquois
- Belle Harris Bennett
- Belvedere Torso
- Ben Day process
- Benito Cereno
- Beppe Fenoglio
- Bequest
- Beracah
- Berakhah
- Berazategui
- Berberidopsis corallina
- Berchtold Haller
- Bereans
- Berechiah
- Bergama carpet
- Berhampore
- Bering Canyon
- Bering Sea Arbitration
- Berkeley Moynihan, 1st Baron Moynihan
- Berkshire pig
- Berlin Botanical Garden and Botanical Museum
- Berlin Painter
- Berliner Ensemble
- Bermuda Hundred, Virginia
- Bern Dibner
- Bernard Karfiol
- Bernard Kops
- Bernard Lovell
- Bernard Mills
- Bernard Mizeki
- Bernard O'Dowd
- Bernard Ogilvie Dodge
- Bernard Partridge
- Bernard Pyne Grenfell
- Bernard Ward (bishop)
- Bernard Wefers
- Bernardas Brazdžionis
- Bernardino Rivadavia Natural Sciences Argentine Museum
- Bernardo Castello
- Bernardo Daddi
- Bernardo Guimarães
- Bernardo Santareno
- Bernardo Vittone
- Bernardo de Balbuena
- Bernat Metge
- Bernhard Bang
- Bernhard Dernburg
- Bernhard Gillam
- Bernhard Kellermann
- Bernhard von Bülow
- Bernoulli's principle
- Beroea
- Beroidae
- Berothah
- Berry (botany)
- Bertel Thorvaldsen
- Berthold Laufer
- Berthold von Henneberg
- Bertholet Flemalle
- Bertoldo di Giovanni
- Bertram Boltwood
- Bertram Eugene Warren
- Bertrand's theorem
- Bertrand-François Mahé de La Bourdonnais
- Beryllium
- Beryllium copper
- Berytus
- Besor Stream
- Bess Streeter Aldrich
- Bessie Potter Vonnoh
- Best current practice
- Best-effort delivery
- Bhabani Bhattacharya
- Bhabha scattering
- Bhadrabahu
- Bhaiband
- Bhambatha
- Bhander Plateau
- Bharatiya Janata Party
- Bharavi
- Bharhut
- Bhashya
- Bhava
- Bhedabheda
- Bhilai
- Bhola Island
- Bi-quinary coded decimal
- Biagio Marin
- Bian Zhilin
- Biasing
- Białowieża
- Bibescu
- Bible Christian Church
- Bible society
- Bibliography
- Bibliography of The Holocaust
- Bicameralism
- Bichitr
- Bicosoecida
- Biel/Bienne
- Bielsko-Biała
- Bieri
- Big Bang
- Big Bend Ranch State Park
- Big Cypress National Preserve
- Big South Fork National River and Recreation Area
- Bighorn River
- Bighorn sheep
- Bigo bya Mugenyi
- Bigthan and Teresh
- Bilala people
- Bilauktaung
- Bilecik
- Bilen people
- Bilgəh
- Bilinear interpolation
- Bill of Rights 1689
- Billbergia
- Billy Budd
- Bimini
- Binary Synchronous Communications
- Binary file
- Binary number
- Binary star
- Binary-code compatibility
- Binary-safe
- Bindery
- Binding over
- Bingham Canyon Mine
- Bingham plastic
- Binnya Dala
- Bioacoustics
- Bioarchaeology
- Bioceramic
- Bioclimatology
- Bioelectromagnetics
- Bioelectronics
- Biolith
- Biological interaction
- Biological pigment
- Biological specificity
- Biologicals
- Biomagnetism
- Biometeorology
- Biometrics
- Bioorganic chemistry
- Biorheology
- Biosatellite
- Biotelemetry
- Biotic potential
- Biozone
- Bir el Ater
- Birch mouse
- Birch's law
- Birch–Murnaghan equation of state
- Bird Woman Falls
- Birgunj
- Biritch
- Birkenia
- Birnin Kebbi
- Birnin Kudu
- Bisanthe
- Bismutite
- Bispectrum
- Bissorã
- Bit
- Bit Adini
- Bit blit
- Bit cell
- Bit manipulation
- Bit nibbler
- Bit plane
- Bit rate
- Bit slicing
- Bit-level parallelism
- Bit-oriented protocol
- Bitmap
- Bito
- Bitola
- Bitter Springs Group
- Bitterroot
- Bitwise operation
- Biu Plateau
- Bivalvia
- Biysk
- Bizen ware
- Bié Plateau
- Black Arts Movement
- Black Box Corporation
- Black Data Processing Associates
- Black Guard
- Black Mountain (San Diego County, California)
- Black Range
- Black Warrior River
- Black and Tan Coonhound
- Black haw
- Black screen of death
- Black-eyed pea
- Blackdamp
- Blackleg (disease)
- Blacktip shark
- Bladdernut
- Blaise de Monluc
- Blanche Lamontagne-Beauregard
- Blanchet (harpsichord makers)
- Blandford–Znajek process
- Blasius boundary layer
- Blast wave
- Blastema
- Blastoid
- Blastulation
- Blastus
- Blazed grating
- Bleach
- Bleeding
- Blended threat
- Blennerhassett Island
- Blepharochalasis
- Blind fish
- Blink comparator
- Bliss Perry
- Blitar
- Bloch's theorem
- Block book
- Block cipher mode of operation
- Blonde lace
- Bloodfin tetra
- Blu-ray
- Blue Island, Illinois
- Blue Nile
- Blue and white pottery
- Blue laser
- Blue straggler
- Blue-throated motmot
- Bluecap
- Bluestem grass
- Bluestone National Scenic River
- Bluetongue disease
- Bo Bergman
- Boar's Head Inn
- Boardman Robinson
- Boat
- Boat-billed heron
- Bob and wheel
- Bobak marmot
- Bobby McFerrin
- Boccanegra
- Bodawpaya
- Bodenbach
- Bodh Gaya
- Bodil Ipsen
- Bodinayakkanur
- Body art
- Body snatching
- Body text
- Boegoeberg Dam
- Bog iron
- Bogor
- Bohdan Khmelnytsky
- Bohemian Massif
- Bohemian glass
- Bohemian-Moravian Highlands
- Bohemium
- Bohr model
- Bohuslav Martinů
- Boiler feedwater
- Bois-Brûlés
- Boise River
- Boknafjord
- Bokuseki
- Bolama (town)
- Bolan Pass
- Bolaven Plateau
- Bolesław Leśmian
- Bolgary
- Bolognese School
- Bolometric correction
- Bolson
- Boltonia asteroides
- Boltzmann equation
- Bombax
- Bonacolsi
- Bonamy Dobrée
- Bonanza Creek
- Bonaventura Berlinghieri
- Bonaventura Genelli
- Bonaventure des Périers
- Bond albedo
- Bondoukou
- Bonnet Carré Spillway
- Bonnet macaque
- Bonnet's theorem
- Bonnethead
- Bono state
- Bontebok National Park
- Bonthe
- Bonus Army
- Bonvesin da la Riva
- Book Cliffs
- Book lung
- Book of Baruch
- Book of Joshua
- Book of the Consulate of the Sea
- Book of the Wars of the Lord
- Boole & Babbage
- Boolean circuit
- Boolean data type
- Boolean expression
- Boot ROM
- Boot disk
- Boot sector
- Booting
- Bootloader
- Bopolu
- Borate mineral
- Bordeaux mixture
- Borhyaenidae
- Boris Artzybasheff
- Boris Blacher
- Boris Kochno
- Boris Lagutin
- Boris Pilnyak
- Boris Shakhlin
- Boris Shchukin
- Boris Shturmer
- Boris Yampolsky
- Borkou
- Borland Database Engine
- Bornean bristlehead
- Born–Oppenheimer approximation
- Boron
- Boronia
- Borovichi
- Borrelia
- Boruca
- Borujerd
- Borysthenes
- Boscoreale
- Bose–Einstein condensate
- Boss key
- Boston Computer Exchange
- Boston Computer Society
- Boston Harbor Islands National Recreation Area
- Boston Port Act
- Bothriolepis
- Bottom water
- Bou Saâda
- Bouafle
- Bouck White
- Boudinage
- Boufarik
- Bouguer anomaly
- Boulder
- Boulder clay
- Boulemane
- Bounce message
- Boundary scan
- Boundary value problem
- Bounty (reward)
- Bourse du Travail
- Bouvardia
- Bouïra
- Bovine respiratory disease
- Bovine viral diarrhea
- Bow porcelain factory
- Bowley's law
- Bowring Treaty
- Boxwork
- Boy Charlton
- Boyar
- Boyd Henry Bode
- Boğazkale
- Božena Němcová
- Brabant Revolution
- Braccio da Montone
- Brace (tool)
- Brace notation
- Brachiopod
- Brachyscome
- Braconidae
- Bradley A. Fiske
- Bradley Walker Tomlin
- Bradyodonti
- Brake
- Bramantino
- Brampton
- Branchial arch
- Branching (polymer chemistry)
- Brand Whitlock
- Brander Matthews
- Brangus
- Branle
- Brass instrument
- Brassard
- Brassicaceae
- Bratsk Hydroelectric Power Station
- Brazing
- Brașov
- Breadboard
- Breadnut
- Breakdown voltage
- Breast disease
- Brecon
- Breed club
- Breton literature
- Brian Bedford
- Brian Boru
- Brian Elias
- Brice Marden
- Brick and mortar
- Brickwork
- Bridal wreath
- Bridewell Palace
- Bridge router
- Bridge tap
- Bridge whist
- Bridgman effect
- Briey
- Brigandage
- Brillouin and Langevin functions
- Brill–Zinsser disease
- Brise soleil
- British Association for Counselling and Psychotherapy
- British Cameroon
- British West Africa
- Brittany (dog)
- Brittlestar
- Broaching (metalworking)
- Broad-leaved tree
- Broadband Integrated Services Digital Network
- Broadcasting (networking)
- Broadstairs and St Peter's
- Broadvision
- Brocade
- Brochureware
- Brocken
- Brodiaea
- Bronson Howard
- Bronze
- Bronze sculpture
- Bronzing
- Brooklyn Museum
- Brooks's law
- Brown hyena
- Brush
- Brătianu family
- Bubble chart
- Bucchero
- Buchans
- Buckboard
- Buckhaven
- Buckhaven and Methil
- Buckingham π theorem
- Bucks point lace
- Bucranium
- Bud Fisher
- Bud Freeman
- Bud Wilkinson
- Buddhacharita
- Buddhapālita
- Buddhism
- Buddhist Hybrid Sanskrit
- Buddhist texts
- Buddingtonite
- Buddleja
- Budge Budge
- Budi Utomo
- Buenaventura Carlos Aribau
- Buffalo clover
- Buffalo grass
- Buffer solution
- Buffet
- Bug (river)
- Bug compatibility
- Bugaku
- Bugbane
- Bugembe
- Bugleweed
- Bugulma
- Buguruslan
- Buildout
- Buir Lake
- Buisine
- Bujalance
- Bukavu
- Bukuru
- Bulandshahr
- Bulbil
- Bulbul
- Bulgarian Agrarian National Union
- Bulgarian literature
- Bulgars
- Bullnettle
- Bullous pemphigoid
- Bulrush
- Bumastus
- Bunchō
- Bundahishn
- Bundela
- Bunsei
- Buphthalmum salicifolium
- Bur cucumber
- Burchell's zebra
- Burhanuddin al-Helmy
- Burrau
- Bus (computing)
- Bus and Tag
- Bushiri
- Business Process Execution Language
- Business Technology Association
- Business intelligence
- Business logic
- Busy-hour call attempts
- Buttress root
- Buôn Ma Thuột
- Byturidae
- Byzantine law
- Bábism
- Bálint Balassi
- Béchar
- Børgefjell National Park
- Bạch Long Vĩ Island
- C (programming language)
- C. A. Rosetti
- C. H. D. Buys Ballot
- C. H. Douglas
- C. S. Forester
- C. Sankaran Nair
- C. V. Boys
- CA Technologies
- CANopen
- CCMP (cryptography)
- CD ripper
- CDATA
- CEBus
- CFB Gagetown
- CHMOS
- CLEAN (algorithm)
- CNN
- CNO cycle
- CPU-bound
- CS gas
- CT scan
- Cable router
- Cable/DSL gateway
- Cabo Frio
- Cabo San Lucas
- Cache (computing)
- Caelestius
- Calabozo
- Calabrian (stage)
- Calamander
- Calamian Islands
- Calamintha grandiflora
- Calandrinia
- Calarcá
- Calcarenite
- Calcareous
- Calcareous sponge
- Calceolaria
- Calchas
- Calcidius
- Calcination
- Calcisol
- Calcium channel blocker
- Calcium hypochlorite
- Calculus (dental)
- Caleb
- Caleb Mills
- Caledonian orogeny
- Calendering (textiles)
- Cali
- Caliche
- Caliciales
- California Coastal National Monument
- California Native Plant Society
- Calixto García
- Call control
- Calla
- Calle de Alcalá
- Callinicus of Heliopolis
- Callinus
- Calliope
- Calliostoma
- Calliphoridae
- Callisto (moon)
- Callisto (mythology)
- Calneh
- Calochortus luteus
- Calomel
- Caltagirone
- Caltha palustris
- Calvin Ellis Stowe
- Calycanthus floridus
- Calyceraceae
- Calycerales
- Calymene
- Calypso (moon)
- Calypso (mythology)
- Calypso music
- Camargo Society
- Cambisol
- Cambium
- Camborne–Redruth Urban District
- Cambridge Platform
- Camel hair
- Cameo glass
- Camera-ready
- Cameron Winslow
- Camilla Collett
- Camilla Urso
- Camille Jullian
- Camille Roy
- Camille Saint-Saëns
- Camille-Christophe Gerono
- Camillo Sitte
- Camisards
- Camp Fire (organization)
- Campaign furniture
- Campanula medium
- Campidano
- Camptosomata
- Camú River
- Camăr
- Cana
- Canaanite and Aramaic inscriptions
- Canada jay
- Canal
- Canaletto
- Canarsee
- Canastra Mountains
- Cancelbot
- Canchungo
- Cancrinite
- Candelilla wax
- Cane River National Heritage Area
- Cane rat
- Caney Fork River
- Cangas del Narcea
- Cangrande I della Scala
- Caniapiscau, Quebec
- Canine parvovirus
- Caning (furniture)
- Canker
- Canna (plant)
- Canne de combat
- Cannel coal
- Canoas
- Canon (clergy)
- Canon regular
- Canonchet
- Canonical account
- Canonical ensemble
- Canonical transformation
- Canonicus
- Canosa di Puglia
- Cante jondo
- Cantharidin
- Cantiga
- Cantor set
- Cantù
- Canute IV of Denmark
- Canyons of the Ancients National Monument
- Canzona
- Cap Diamant
- Cap-de-la-Madeleine
- Capacity planning
- Capaneus
- Capannori
- Cape Bauld
- Cape Bon
- Cape Deveboynu, Datça
- Cape Flattery
- Cape Helles
- Cape Howe
- Cape Maisí
- Cape Matapan
- Cape Miseno
- Cape Nordkinn
- Cape São Roque
- Capernaum
- Caphtor
- Capillary action
- Capistrano de Abreu
- Capital levy
- Capitoline Hill
- Capitulary
- Capodimonte porcelain
- Cappadocia
- Capparales
- Caprelloidea
- Capricorn and Bunker Group
- Caps Lock
- Capstone (cryptography)
- Captorhinida
- Captorhinus
- Capybara
- Caquetio
- Caraballo Mountains
- Caradoc Evans
- Caratasca Lagoon
- Carbon detonation
- Carboniferous
- Carbonium ion
- Card reader
- Cardamine digitata
- Cardiac monitoring
- Cardigan Welsh Corgi
- Cardinal (Catholic Church)
- Cardinal (bird)
- Cardinal Richelieu
- Cardiospermum halicacabum
- Cardoon
- Career counseling
- Carex japonica
- Carey Act
- Careysburg District
- Cargo
- Caribbean literature
- Cariboo Mountains
- Caricature
- Carl Akeley
- Carl Blegen
- Carl Gustaf af Leopold
- Carl H. Eigenmann
- Carl Hagenbeck
- Carl Jonas Love Almqvist
- Carl Peters
- Carl Piper
- Carl R. Byoir
- Carl Richard Moore
- Carl Ruggles
- Carl Russell Fish
- Carl Severing
- Carl Sternheim
- Carl Stotz
- Carl Theodor Dreyer
- Carl Van Doren
- Carl Wagner
- Carl XVI Gustaf
- Carl von Voit
- Carleton S. Coon
- Carleton Washburne
- Carleton Watkins
- Carlisle Peace Commission
- Carlism
- Carlo Caproli
- Carlo Cassola
- Carlo Gozzi
- Carlo Maratta
- Carlo Zeno
- Carlos Andrés Pérez
- Carlos Arniches
- Carlos Arruza
- Carlos Bousoño
- Carlos Finlay
- Carlos Francisco de Croix, 1st Marquess of Croix
- Carlos Germán Belli
- Carlos Luis de Borbón
- Carlos Manuel Arana Osorio
- Carlos Manuel de Céspedes
- Carlos Mendieta
- Carlos Mérida
- Carlos Raúl Villanueva
- Carlos Reyles
- Carlos Saura
- Carlos de Sigüenza y Góngora
- Carlos, Prince of Asturias
- Carlsberg Ridge
- Carlton J. H. Hayes
- Carmelites
- Carmen McRae
- Carmen Polo
- Carmina Burana
- Carnarvon Gorge
- Carnarvon Range
- Carnatic Wars
- Carnegie Corporation of New York
- Carnian
- Carol Weiss King
- Carolina Michaëlis de Vasconcelos
- Caroline Bartlett Crane
- Caroline Howard Gilman
- Caroline Norton
- Caroline Severance
- Caroline Yale
- Carolingian art
- Carolus-Duran
- Carolyn Kizer
- Carolyn Sherif
- Carolyn Wells
- Carpenter Gothic
- Carpenteria
- Carpet
- Carpet moth
- Carrara
- Carraresi
- Carrel
- Carrie Nation
- Carrier generation and recombination
- Carrizo Plain
- Carsten Borchgrevink
- Carter G. Woodson
- Carter Stanley
- Carterfone
- Cartesianism
- Cartoon
- Cary T. Grayson
- Cascina
- Cascode
- Case-hardening
- Casement window
- Casilinum
- Casluhim
- Caspar
- Caspian Depression
- Cass Canfield
- Cass Gilbert
- Cassegrain reflector
- Cassella
- Cassia fistula
- Cassiano Ricardo
- Cassidae
- Cassini's Division
- Cassini's laws
- Cassino (card game)
- Cassiodorus
- Cassius Dio
- Cassius Dionysius
- Cast-iron architecture
- Castalia
- Caste system among South Asian Christians
- Castelfranco Veneto
- Castelvetrano
- Castigliano's method
- Castile and León
- Castillon-la-Bataille
- Castle Shannon, Pennsylvania
- Castle-guard
- Castor (star)
- Castor and Pollux
- Castrop-Rauxel
- Casuarinaceae
- Catalan art
- Catalogues of Fundamental Stars
- Catalyst poisoning
- Catechism
- Caudofoveata
- Cave automatic virtual environment
- Cecco Angiolieri
- Cecco d'Ascoli
- Cecil Reddie
- Cecile de Wentworth
- Cecrops
- Ceglie Messapica
- Cegléd
- Celadet Alî Bedirxan
- Celaya
- Celebes Sea
- Celesta
- Celestia Susannah Parrish
- Celestine (mineral)
- Celje
- Cell (microprocessor)
- Cell lineage
- Cell polarity
- Cell wall
- Cellarette
- Cellular multiprocessing
- Cellular respiration
- Celsius
- Celsus
- Celtic literature
- Celâl Bayar
- Cemented carbide
- Census of Marine Life
- Centaurea
- Centaurea americana
- Center for the Study of Democratic Institutions
- Center of curvature
- Central Asian art
- Central Depository Services
- Central Experimental Farm
- Central Mountain Range
- Central Russian Upland
- Central Utah Project
- Central Valley Project
- Central place theory
- Central processing unit
- Centrex (police training agency)
- Centricity
- Centrifugal pump
- Centring
- Centrode
- Centrohelid
- Centroid
- Centronics
- Cephalaspis
- Cephalobaenida
- Cephalotaxus
- Cepheid variable
- Ceramic
- Ceratopogonidae
- Cereal
- Ceremonial pipe
- Chablis
- Chachi people
- Chadds Ford, Pennsylvania
- Chaetonotida
- Chaff
- Chaim Bermant
- Chaim Menachem Rabin
- Chain reaction
- Chakosi people
- Chakravarti (Sanskrit term)
- Chalcidian League
- Chaldean Catholic Church
- Chalicotherium
- Challenge–response authentication
- Chalukya dynasty
- Chambersburg, Pennsylvania
- Chameleon
- Chamic languages
- Chamosite
- Champfleury
- Champlevé
- Chams
- Chancay
- Chancel
- Chancelade man
- Chancre
- Changbai Mountains
- Changde
- Change request
- Changtang
- Channel I/O
- Channel bank
- Chansonnier
- Chanter
- Chanthaburi province
- Chao'an District
- Chapin A. Harris
- Chapultepec Zoo
- Characiformes
- Character Map (Windows)
- Character piece
- Charbonnages de France
- Charcoal (art)
- Charente (river)
- Charge conservation
- Charge density
- Charge density wave
- Charge-coupled device
- Charged particle beam
- Charikar
- Charity school
- Charles Alfred Pillsbury
- Charles Atwood Kofoid
- Charles Avison
- Charles B. Cochran
- Charles Barry
- Charles Bedaux
- Charles Bird King
- Charles Bordes
- Charles Brooke, Rajah of Sarawak
- Charles Cagniard de la Tour
- Charles Chaillé-Long
- Charles Clinton Spaulding
- Charles Coffin Jewett
- Charles Colbert, marquis de Croissy
- Charles Coughlin
- Charles Cousin-Montauban, Comte de Palikao
- Charles Cutler Torrey
- Charles Darwin Foundation
- Charles De Coster
- Charles Debrille Poston
- Charles Despiau
- Charles Didelot
- Charles Du Bos
- Charles Dullin
- Charles Duryea
- Charles E. Burchfield
- Charles E. Cheney
- Charles E. Mitchell
- Charles Edward Russell
- Charles Edwin Bessey
- Charles F. Marvin
- Charles Follen Adams
- Charles Fourier
- Charles Frankel
- Charles Frederic Moberly Bell
- Charles Fuller
- Charles Gide
- Charles Ginner
- Charles Gordon Curtis
- Charles Gwathmey
- Charles Hall Grandgent
- Charles Harpur
- Charles Helou
- Charles Henry Fowler
- Charles Henry Parkhurst
- Charles Hubbard Judd
- Charles I of Anjou
- Charles IX of Sweden
- Charles J. Pedersen
- Charles James Lyall
- Charles John Seghers
- Charles Joseph Chamberlain
- Charles Lallemant
- Charles Lanrezac
- Charles Lawrance
- Charles Leclerc (general, born 1772)
- Charles Lecocq
- Charles Loring Elliott
- Charles Louis Auguste Fouquet, duc de Belle-Isle
- Charles M. Schwab
- Charles Mackenzie (bishop)
- Charles Mangin
- Charles Manning Child
- Charles Metcalfe, 1st Baron Metcalfe
- Charles Michel de Langlade
- Charles Moses
- Charles Mound
- Charles Oman
- Charles Otis Whitman
- Charles Pahud de Mortanges
- Charles Philipon
- Charles Pictet de Rochemont
- Charles Pinckney National Historic Site
- Charles Plisnier
- Charles Poulett Thomson, 1st Baron Sydenham
- Charles R. Van Hise
- Charles Revson
- Charles Rigault de Genouilly
- Charles River
- Charles River Bridge v. Warren Bridge
- Charles Rufus Morey
- Charles S. Johnson
- Charles Sangster
- Charles Schuchert
- Charles Seignobos
- Charles Thomas Jackson
- Charles Tilly
- Charles Tomlinson Griffes
- Charles Townsend Copeland
- Charles VI, Holy Roman Emperor
- Charles Valentine Riley
- Charles Vildrac
- Charles Vinci
- Charles Wakefield Cadman
- Charles X Gustav of Sweden
- Charles XI of Sweden
- Charles XII of Sweden
- Charles XIII
- Charles XIV John
- Charles XV
- Charles de Batz de Castelmore d'Artagnan
- Charles de Blanchefort
- Charles de Broqueville
- Charles de Foucauld
- Charles de La Fosse
- Charles de Montmagny
- Charles de Morny, Duke of Morny
- Charles de Saint-Étienne de la Tour
- Charles de Saint-Évremond
- Charles de la Boische, Marquis de Beauharnois
- Charles du Fresne, sieur du Cange
- Charles le Moyne de Longueuil et de Châteauguay
- Charles van Lerberghe
- Charles, Prince of Viana
- Charles, Prince of Wales
- Charles-Antoine Coypel
- Charles-Irénée Castel de Saint-Pierre
- Charles-Joseph Traviès de Villers
- Charles-Louis Philippe
- Charles-Nicolas Cochin
- Charles-Victor Langlois
- Charles-Victor Mauguin
- Charles-Édouard Brown-Séquard
- Charley River
- Charlotta Bass
- Charlotte Anita Whitney
- Charlotte E. Ray
- Charlotte Emerson Brown
- Charlotte Mason
- Charlotte Porter
- Charnay Fibula
- Charophyceae
- Charter to the Gentry
- Chartered company
- Chashitsu
- Chatbot
- Chattahoochee River National Recreation Area
- Chatter mark
- Chauk
- Chauth
- Chavín de Huántar
- Cheadle and Gatley Urban District
- Checheno-Ingush Autonomous Soviet Socialist Republic
- Cheduba Island
- Chefchaouen
- Cheilostomatida
- Cheirolepis
- Chelation
- Chelif River
- Chelsea porcelain factory
- Chemical industry
- Chemical kinetics
- Chemosh
- Chemosphere
- Chemostat
- Chemosterilant
- Chemostratigraphy
- Chemotaxis
- Chemotaxonomy
- Chemurgy
- Chen Hongshou
- Chen Jiongming
- Chen Shizeng
- Cheng Hao
- Cheng Yi (philosopher)
- Chengde
- Chengdu
- Cheonan
- Cheongju
- Chephirah
- Cher (river)
- Cherbourg
- Cheremkhovo
- Cherethites and Pelethites
- Chernogorsk
- Cheroot
- Cherry picking
- Chersiphron
- Chester Carlson
- Chester Moore Hall
- Chesterfield Inlet
- Chesuncook Lake
- Cheyenne River
- Chezib of Judah
- Chicoutimi River
- Chief Bender
- Child care
- Chilikadrotna River
- China Marks
- China–United Kingdom relations
- Chinese ceramics
- Chip (CDMA)
- Chip carrier
- Chip on board
- Chirostomias
- Chirped pulse amplification
- Chlodwig, Prince of Hohenlohe-Schillingsfürst
- Chloe
- Chloritoid
- Chlorophenol
- Chlorophyta
- Chlorotrifluoroethylene
- Chlothar IV
- Chochana Boukhobza
- Choe Je-u
- Choir (architecture)
- Choisya ternata
- Choke (electronics)
- Chola art and architecture
- Chola dynasty
- Cholecystography
- Chondrus crispus
- Chongchon River
- Chongju
- Chonotrich
- Choragic Monument of Lysicrates
- Chorazin
- Chorizema
- Chorus frog
- Chosha Bay
- Chott Melrhir
- Chott el Djerid
- Chott el Hodna
- Chouteau
- Christa Luding-Rothenburger
- Christian August, Prince of Anhalt-Zerbst
- Christian Charles Josias von Bunsen
- Christian David Ginsburg
- Christian Ditlev Frederik Reventlow
- Christian Dotremont
- Christian Graf von Haugwitz
- Christian Hoffmann von Hoffmannswaldau
- Christian Jensen Lofthuus
- Christian Johansson
- Christian Konrad Sprengel
- Christian Lundeberg
- Christian Magnus Falsen
- Christian Møller
- Christian Pander
- Christian Rakovsky
- Christian Reuter
- Christian Weise
- Christian Wolff (philosopher)
- Christian de Castries
- Christian the Younger of Brunswick
- Christian von Ehrenfels
- Christian-Jaque
- Christine Goitschel
- Christine Ladd-Franklin
- Christmas Island
- Christmas rose
- Christmasberry
- Christo and Jeanne-Claude
- Christoffer Wilhelm Eckersberg
- Christoph Graupner
- Christoph Sauer
- Christopher Beeston
- Christopher Clavius
- Christopher Simpson
- Christopher, Count of Oldenburg
- Chroma subsampling
- Chromadorida
- Chromate and dichromate
- Chromoprotein
- Chromosomal crossover
- Chromosome abnormality
- Chronic fatigue syndrome
- Chronological dating
- Chrysaora
- Chrysippus
- Chrysochus auratus
- Chrysogonum virginianum
- Chrysopsis
- Chu Văn Tấn
- Church Divinity School of the Pacific
- Churches Together in Britain and Ireland
- Chédiak–Higashi syndrome
- Chōnin
- Chūgoku Mountains
- Cicero
- Cinnamomum camphora
- Cirsium arvense
- City God (China)
- Clara Marshall
- Clarendonian
- Clarion Fracture Zone
- Class-4 telephone switch
- Class-5 telephone switch
- Classical electron radius
- Classification of Indigenous peoples of the Americas
- Claude Frédéric-Armand Schaeffer
- Claude Louis Hector de Villars
- Claude Louis, Comte de Saint-Germain
- Claude Mauriac
- Claude Pajon
- Claude Vigée
- Claude-Louis Mathieu
- Claude-Étienne Minié
- Claudius
- Claudius Rich
- Clausius theorem
- Clausius–Clapeyron relation
- Clausius–Mossotti relation
- Clay mineral
- Claytonia sibirica
- Clear-air turbulence
- Cleavage (embryo)
- Clebsch–Gordan coefficients
- Cleft lip and cleft palate
- Cleidocranial dysostosis
- Clemence Dane
- Clement Biddle
- Clement Charles Julian Webb
- Clement Claiborne Clay
- Clement Wood
- Clement of Rome
- Clemente Solaro, Count La Margherita
- Clements Kadalie
- Clemmys
- Cleome
- Cleomenes I
- Cleopas
- Cleopatra
- Cleopatra's Needle
- Cleres Zoological Park
- Clerestory
- Cleridae
- Clethra alnifolia
- Clianthus
- Click consonant
- Click path
- Click-through rate
- Clidastes
- Client (computing)
- Client–server model
- Cliff dwelling
- Cliff effect
- Clifford Whittingham Beers
- Cliftonia
- Climate change
- Climate model
- Climatic adaptation
- Climatius
- Clingmans Dome
- Clinical pathology
- Clinoptilolite
- Clint Eastwood
- Clinton B. Fisk
- Clionidae
- Clipper chip
- Clipperton Fracture Zone
- Clitoria
- Clive Bell
- Clivia
- Clobbering
- Clodius Albinus
- Close coupled field technology
- Closed-end fund
- Clothing industry
- Cloud condensation nuclei
- Clover
- Clustered file system
- Clérissy faience factories
- Coast Salish
- Cobrowsing
- Coccidia
- Coconucan language
- Code bloat
- Code page 437
- Coeur d'Alene, Idaho
- Coherent backscattering
- Cohesion (chemistry)
- Cohong
- Cohosh
- Cohune oil
- Coiba
- Colchicum bulbocodium
- Colchicum trigynum
- Cold fusion
- Cole Younger
- Colebrooke–Cameron Commission
- Colin MacInnes
- Coliphage
- Collaborative software
- Collagen disease
- Collation
- Collect
- Collecting duct system
- Collection (museum)
- Collective farming
- College of William & Mary
- Colletia
- Collimated beam
- Colloidal crystal
- Collomia
- Collotype
- Colonial Development and Welfare Acts
- Colonial architecture
- Colonna family
- Color Force
- Color calibration
- Color charge
- Color correction
- Color cycling
- Color depth
- Color difference
- Color field
- Color gel
- Color index
- Color management
- Color mapping
- Color printing
- Color space
- Colorado River Storage Project
- Colotomy
- Colugo
- Columbia Plateau
- Columbia River
- Columbia sheep
- Columbiad
- Columbina
- Columbus O'Donnell Iselin
- Colutea arborescens
- Coly
- Comandra
- Comedy of intrigue
- Command-line interface
- Commedia erudita
- Commesso
- Common Gateway Interface
- Common nighthawk
- Common nightingale
- Communication channel
- CompactFlash
- Compacton
- Compagnie Commerciale de Colonisation du Congo Français
- Companding
- Companions of the Prophet
- Company style
- Company union
- Comparison
- Comparison of disk cloning software
- Competition (biology)
- Competition (economics)
- Complement fixation test
- Complementarity (physics)
- Complex analysis
- Complex data type
- Complex gain
- Component-based software engineering
- Composita
- Composite image filter
- Composite laminate
- Composite order
- Composition (visual arts)
- Compound pier
- Comprehensive Employment and Training Act
- Compress
- Compressed air
- Compressible flow
- Compressive strength
- Compromise of Nobles
- Compton generator
- Compton scattering
- Comptonia peregrina
- CompuServe
- Compurgation
- Computation
- Computer & Communications Industry Association
- Computer Fraud and Abuse Act
- Computer Incident Advisory Capability
- Computer Press Association
- Computer Security Act of 1987
- Computer and network surveillance
- Computer appliance
- Computer architecture
- Computer display standard
- Computer emergency response team
- Computer engineering
- Computer font
- Computer graphics (computer science)
- Computer multitasking
- Computer museum
- Computer network
- Computer operator
- Computer security
- Computer telephony integration
- Computer terminal
- Computer to plate
- Computer virus
- Computer-aided design
- Computer-aided software engineering
- Computer-integrated manufacturing
- Computex
- Computing
- Compuware
- Concha Alós
- Concord coach
- Concretion
- Cone sisters
- Conference call
- Conference on Disarmament
- Congress of Afrikan People
- Conoscopy
- Conservative Party of Canada
- Constance Fenimore Woolson
- Constance Garnett
- Constance Lindsay Skinner
- Constance Markievicz
- Constance Rourke
- Constans
- Constant angular velocity
- Constantin Brâncoveanu
- Constantine the African
- Constantine the Great
- Constantinople Agreement
- Constantinos Apostolou Doxiadis
- Constantius Chlorus
- Constellaria
- Constitution Island
- Construction
- Consular assistance
- Consulate
- Consumables
- Consumer Reports
- Contact geometry
- Contact list
- Contactless smart card
- Container
- Contempt
- Content creation
- Content delivery network
- Content-addressable memory
- Content-addressable storage
- Context-sensitive help
- Contextual advertising
- Contextual searching
- Conti
- Continental margin
- Contingency plan
- Continuation high school
- Continuity equation
- Continuous stationery
- Continuous tone
- Contraband
- Contract bridge
- Contraction (grammar)
- Contralto
- Control Data Corporation
- Control Program Facility
- Control break
- Control character
- Control loop
- Control valve
- Control variable
- Conté
- Convection
- Convective instability
- Convent
- Convention of Klosterzeven
- Convention of Malvana
- Convention of Tauroggen
- Conventional memory
- Conversation
- Conversation threading
- Convertiplane
- Conveyor system
- Convocations of Canterbury and York
- Convolvulus
- Convulsion
- Cooking oil
- Coolgardie, Western Australia
- Coordination complex
- Corel Painter
- Coromandel lacquer
- Corona discharge
- Coronach
- Coronado Bay
- Coronado National Memorial
- Coronagraph
- Coronation Carpet
- Coroner's jury
- Coronilla
- Corporate finance
- Corporation des Menuisiers-Ébénistes
- Corporatism
- Corps législatif
- Corps of Gendarmerie of Vatican City
- Corpus Christi Bay
- Correa reflexa var. speciosa
- Correggio, Emilia-Romagna
- Corrupt practices
- Corsini family
- Corso Donati
- Corticosteroid
- Corvée
- Coryanthes
- Coryphodon
- Cosmati
- Cosmic censorship hypothesis
- Cosmic wind
- Cosmogenic nuclide
- Cosmos bipinnatus
- Cosmotron
- Cosmè Tura
- Cossacks
- Cossidae
- Cossimbazar
- Costumbrismo
- Cost–benefit analysis
- Cotentin Peninsula
- Cottage furniture
- Cottius
- Cotton effect
- Cotton picker
- Cottonseed
- Cotton–Mouton effect
- Cotyledon chrysantha
- Coua
- Coucal
- Cougar
- Coulomb constant
- Coulomb excitation
- Coulomb explosion
- Coulomb's law
- Council of Arab Economic Unity
- Council of Ephesus
- Council of Florence
- Council of Foreign Ministers
- Council of Troubles
- Council of the Indies
- Count Basie
- Count Richard Belcredi
- Count key data
- Count of Holland
- Countercurrent chromatography
- Countercurrent exchange
- Counterpoise
- Country code
- Coup of 18 Fructidor
- Coupled substitution
- Coupling
- Coupling Facility
- Coupling reaction
- Court of Auditors (France)
- Court of Augmentations
- Court of Justice of the African Union
- Court of piepowders
- Courtesy book
- Courtly love
- Courtyard
- Courtyard Theatre
- Coyhaique
- Cozzi porcelain
- Creative Market
- Crepis
- Crepuscolari
- Crescens
- Cressida
- Cretaceous
- Cretan Bull
- Creusa
- Cricket (insect)
- Cricket frog
- Crimean Astrophysical Observatory
- Crimmitschau
- Crinoid
- Crinozoa
- Criollismo
- Crippleware
- Crispus
- Cristóbal
- Cristóbal Diatristán de Acuña
- Critical mass
- Critical opalescence
- Critical phenomena
- Criticism
- Critolaus
- Crochet
- Crocodilia
- Crofting
- Cromaclear
- Cron
- Crop rotation
- Croquet
- Cross-browser compatibility
- Cross-correlation
- Cross-promotion
- Crossbar switch
- Crossover cable
- Crossposting
- Croton (plant)
- Croton oil
- Crotone
- Crow
- Crowea saligna
- Crown jellyfish
- Crowns of Egypt
- Crucifixion thorn
- Cruiser
- Crustacean
- Cryptanthus
- Cryptoblastus
- Cryptococcosis
- Cryptogam
- Cryptography
- Cryptolithus
- Cryptomonad
- Cryptophyceae
- Cryptostomata
- Crystal
- Crystal growth
- Crystallization
- Crystallographic defect
- Csaba
- Cucurbita foetidissima
- Culloden, Highland
- Culmination
- Culture of Nepal
- Curonian Lagoon
- Currency union
- Cursor (user interface)
- Curt Richter
- Curtis F. Marbut
- Curve
- Curved mirror
- Cuscuta
- Customer relationship management
- Custoza
- Cut glass
- Cuttlefish
- Cybersquatting
- Cyclanthaceae
- Cyclophyllidea
- Cyclotron resonance
- Cycolor
- Cymatiidae
- Cynodont
- Cyril Hazard
- Cyrillic script
- Czech Republic
- Côtes-d'Armor
- D-subminiature
- D. F. Malherbe
- DA-88
- DBOMP
- DECmate
- DECtalk
- DEMO conference
- DOS/360 and successors
- DR-DOS
- DSL modem
- DVD
- Dabbasheth
- Daberath
- Daboia
- Dacke War
- Dacryocystitis
- Dactylella
- Daedala
- Daegis Inc.
- Daeng Parani
- Daeodon
- Dafydd Nanmor
- Dafydd ab Edmwnd
- Daimiel
- Dairy
- Dairy cattle
- Dairy machinery
- Daisetsuzan National Park
- Daisy chain (electrical engineering)
- Daisy wheel printing
- Dakin's solution
- Dale Chihuly
- Dalian
- Dallán Forgaill
- Dalradian
- Dalton Plan
- Dama gazelle
- Damaliscus
- Damara people
- Damascening
- Damaturu
- Damavand, Iran
- Damba
- Dambadeniya
- Dambulla
- Damdin Sükhbaatar
- Damghan
- Damià Forment
- Damon Runyon
- Damping off
- Damu
- Dan Andersson
- Dan Bricklin
- Dan Miron
- Dan Rice
- Dan Takuma
- Dandakaranya
- Dandie Dinmont Terrier
- Dandolo
- Dani Karavan
- Daniachew Worku
- Daniel Appleton
- Daniel Auber
- Daniel Berkeley Updike
- Daniel Bliss
- Daniel Bovet
- Daniel C. Jackling
- Daniel Casper von Lohenstein
- Daniel Chodowiecki
- Daniel Finch, 2nd Earl of Nottingham
- Daniel Gregory Mason
- Daniel Mazia
- Daniel Pierce Thompson
- Daniel Quare
- Daniel Vierge
- Daniele da Volterra
- Daniell cell
- Danish literature
- Daonella
- Daphniphyllales
- Daphnis and Chloe
- Daqiqi
- Darab
- Darbhanga
- Darcy Ribeiro
- Dard Hunter
- Darial Gorge
- Dariel
- Darius the Mede
- Darling Scarp
- Darlington transistor
- Darnell's Case
- Darqawiyya
- Darriwilian
- Dartmouth College v. Woodward
- Darwin Rise
- Darwin–Radau equation
- Dashava
- Dasycladales
- Dasyuridae
- Data Facility Storage Management Subsystem (MVS)
- Data Terminal Ready
- Data administration
- Data and information visualization
- Data center
- Data cluster
- Data collection
- Data communication
- Data compression
- Data corruption
- Data definition language
- Data item
- Data library
- Data parallelism
- Data recovery
- Data reduction
- Data remanence
- Data sharing
- Data sheet
- Data striping
- Data system
- DataWorks Plus
- Database machine
- Database normalization
- Dataquest
- Date windowing
- David Beaton
- David Reeb
- David Shahar
- David's Mighty Warriors
- De Brazza's monkey
- Dead Media Project
- Deadlock
- Death Rite
- Deba, Gombe
- Debir
- Deborah Moody
- Debye length
- Debye model
- Debye–Falkenhagen effect
- Debye–Hückel equation
- Decadent movement
- Decay chain
- Deceleration parameter
- Decembrist revolt
- Decemviri
- Decibel
- Deciduous
- Decius
- Deck tennis
- Decomposition
- Decree of Muharram
- Deep-sea exploration
- Deer fly
- Deerfield River
- Defense Data Network
- Deficit round robin
- Defragmentation
- Degaussing
- Degenerate energy levels
- Degenerate matter
- Degree day
- Degrees of freedom
- Degrees of freedom (mechanics)
- Dehri
- Deinotherium
- Deinterlacing
- Deiphon
- Deir ez-Zor
- Deirdre of the Sorrows
- Deism
- Del City, Oklahoma
- Del Monte Foods
- Delafossite
- Delaware River
- Delaware Water Gap National Recreation Area
- Delay equalization
- Delayed binding
- Delete key
- Delium
- Deliverable
- Dell Wyse
- Della Cruscans
- Della Fox
- Della Robbia
- Dells of the Wisconsin River
- Delmira Agustini
- Delocalized electron
- Delphi (online service)
- Delphine de Girardin
- Delta Barrage
- Delta Scuti variable
- Delta Works
- Delta baryon
- Delta modulation
- Delta ray
- Delémont
- Dema Deity
- Demand-chain management
- Demarcation point
- Demas
- Demeter
- Demetrios Kydones
- Demetrius
- Demetrius (biblical figure)
- Demetrius I Soter
- Demetrius II Nicator
- Demetrius Triclinius
- Demo (music)
- Democratic Kampuchea
- Demodulation
- Demyan Bedny
- Denain
- Dendera
- Dendrimer
- Dendroceratida
- Dengue fever
- Denis Gaultier
- Denis Hamilton
- Denis Parsons Burkitt
- Denis Pétau
- Denis William Brogan
- Denis de Rougemont
- Denis the Carthusian
- Denison Dam
- Denitrifying bacteria
- Denkyira
- Dennis Brutus
- Dennis Hastert
- Dennis Robert Hoagland
- Density (computer storage)
- Density wave theory
- Dental auxiliary
- Dents du Midi
- Deosai Mountains
- Department for the Economy
- Dependoparvovirus
- Depletion (accounting)
- Deployment environment
- Deprecation
- Der Blaue Reiter
- Der Rosenkavalier
- Der Sturm
- Der von Kürenberg
- Derbe
- Dereference operator
- Dermis
- Dermott's law
- Derris
- Descriptive ethics
- Design optimization
- Desmodorida
- Device file
- Dextropropoxyphene
- Dharmawangsa
- Dhiban, Jordan
- Diablo 630
- Diacritic
- Diadematacia
- Diadematoida
- Diadochos of Photiki
- Diagnosis
- Diagnostic board
- Dial-on-demand routing
- Dial-up Internet access
- Dialling (telephony)
- Diamaré
- Diamond Harbour
- Diamondback moth
- Diana (mythology)
- Diane Ackerman
- Dianne Holum
- Dianthus caryophyllus
- Diapensiaceae
- Diapir
- Diapsid
- Diarmaid mac Murchadha
- Diarthrognathus
- Diastem
- Diatomic molecule
- Diazo
- Diazonium compound
- Dibatag
- Dibba Al-Hisn
- Dibotryon morbosum
- Dichelostemma ida-maia
- Dichondra
- Dichroism
- Dick Armey
- Dick Gephardt
- Dick Tracy
- Dick Turpin
- Dickinson W. Richards
- Dicky Wells
- Dicranales
- Dictation machine
- Dictyoceratida
- Dicynodon
- Didascaly
- Didius Julianus
- Didymograptus
- Didymus the Blind
- Die Burger
- Diego Portales
- Diego Sarmiento de Acuña, Count of Gondomar
- Diego Siloe
- Diego Velázquez
- Diego de Saavedra Fajardo
- Diego de San Pedro
- Diego de Torres Villarroel
- Diego de Valera
- Diego de Vargas
- Dieldrin
- Dielectric
- Dielectric heating
- Diels–Alder reaction
- Diergaarde Blijdorp
- Dieric Bouts
- Differential backup
- Differential psychology
- Differential pulse-code modulation
- Differentiated services
- Differentiator
- Diffie–Hellman key exchange
- Diffraction
- Diffraction grating
- Diffraction-limited system
- Diffuse reflection
- Diffusion equation
- Digital Audio Tape
- Digital Revolution
- Digital paper
- Digital pen
- Digital photo frame
- Digital signature
- Digital single-lens reflex camera
- Digital video effect
- Digital wallet
- Digital watermarking
- Digital-S
- Digital-to-analog converter
- Digitata (band)
- Digitoxin
- Digul
- Dikelocephalus
- Dikwa
- Dilemma story
- Dilleniidae
- Dimbokro
- Dimension
- Dimensional analysis
- Dimensioning
- Dimethoate
- Dimitri Mitropoulos
- Dimitrie Sturdza
- Dimitrios Kallergis
- Dimity
- Dimorphotheca ecklonis
- Dinant
- Dinder National Park
- Dinder River
- Dindsenchas
- Ding ware
- Dinguiraye
- Dini Ya Msambwa
- Dinichthys
- Diniz
- Dino Compagni
- Dinocerata
- Dinoflagellate
- Dinornis
- Dio Chrysostom
- Diocletian
- Diode
- Dioecy
- Diogenes
- Diogo Gomes
- Diomed
- Dion Boucicault
- Dion of Syracuse
- Dionisio Anzilotti
- Dionysius of Halicarnassus
- Dioon
- Diphylleia cymosa
- Diphyllidea
- Diplacus aurantiacus
- Diplogasterida
- Diplograptus
- Diplomonad
- Diplovertebron
- Diplura
- Dipoenus and Scyllis
- Diprotodontidae
- Dipsas
- Dipterus
- Direct Access File System
- Direct coupling
- Director's cut
- Directory (computing)
- Disability
- Disarmament
- Disc harrow
- Discipline and Punish
- Discrete manufacturing
- Discus throw
- Discussion group
- Disease
- Disease ecology
- Disinfectant
- Disk Manager
- Disk compression
- Disk formatting
- Disk image
- Disk mirroring
- Disk pack
- Disk storage
- Diskcopy
- Dispensary
- Dispersion (chemistry)
- Dispersion (optics)
- Dispersion relation
- Dispersion-shifted fiber
- Displacement activity
- Display Data Channel
- Display board
- Display device
- Display typeface
- Distance education
- Distance measure
- Distance measuring equipment
- Distance-vector routing protocol
- Distancing effect
- Distortion (optics)
- Distributed computing
- Distributed data processing
- Distributed object
- Distributed-feedback laser
- Distributive property
- Diuris
- Dobruja
- Dobson unit
- Doc (computing)
- Doccia porcelain
- Docodon
- Docodonta
- Doctor of the Church
- Doctrine of signatures
- Document collaboration
- Document imaging
- Document management system
- Document processing
- Dodai
- Dodanim
- Doddabetta
- Dog days
- Dog food
- Dog show
- Dog toy
- Dogali
- Dogra dynasty
- Dolby
- Dolch
- Dolores Ibárruri
- Dolphin
- Domain Name System
- Domain drop catching
- Domain name registrar
- Domain registration
- Domain-specific language
- Domenico Campagnola
- Domenico Fetti
- Domenico Ghirlandaio
- Domenico Montagnana
- Domestic pigeon
- Domestic short-haired cat
- Domestic tragedy
- Dominance (genetics)
- Domingo Martínez de Irala
- Domingo Ortega
- Dominic Barberi
- Dominic Corrigan
- Dominicus Gundissalinus
- Dominikus Böhm
- Dominique Pire
- Dominique Rolin
- Dominique de Gourgues
- Domus de Maria
- Don Bragg
- Don Budge
- Donagh MacDonagh
- Donald Cameron of Lochiel
- Donald Davidson (philosopher)
- Donald F. Jones
- Donald Judd
- Donald MacLeary
- Donald Ogden Stewart
- Donald Richberg
- Donald Stokes, Baron Stokes
- Donald Trump
- Donatia
- Donatism
- Donato Giannotti
- Donatário
- Dong Son culture
- Donghak
- Donglin movement
- Donna de Varona
- Donoughmore Commission
- Dot matrix
- Dot matrix printing
- Dot product
- Dots per inch
- Dotted note
- Double diffusive convection
- Double pendulum
- Double-slit experiment
- Douglas fir
- Dr. Bonham's Case
- Drag (physics)
- Drag and drop
- Dragon's mouth
- Drama (film and television)
- Drawing (manufacturing)
- Dua
- Dual-mode mobile
- Duke of Zhou
- Dulcinea del Toboso
- Dumuzi-abzu
- Dunderland Valley
- Dural venous sinuses
- Durant Regional Airport–Eaker Field
- Dust
- Dutch Ethical Policy
- Duyun
- Dwarfing
- Dyal
- Dynamic web page
- Dzerzhinsk, Russia
- Dániel Berzsenyi
- Déodat Gratet de Dolomieu
- Dönmeh
- Dīpavaṃsa
- EEPROM
- EHLLAPI
- EMachines
- EPROM
- ETOX
- Ear clearing
- Early modern human
- Earwig
- Easel
- East Syriac Rite
- Eastern Catholic Churches
- Eber
- Eccremocarpus
- Echiura
- Echiurida
- Echo (computing)
- Eclogues
- Ecne
- Economics of defense
- Ecosystem model
- Ecthesis
- Edu, Kwara
- Educational software
- Educational technology
- Edward Chichester, 1st Viscount Chichester
- Eemian
- Effective temperature
- Egg incubation
- Eidetic memory
- Einstein solid
- El Greco
- Elcho Island
- Electret
- Electric arc
- Electric arc furnace
- Electric battery
- Electric charge
- Electric potential
- Electrical ballast
- Electrical fault
- Electrical impedance
- Electrical load
- Electrical wiring
- Electrochemistry
- Electrodiagnostic medicine
- Electrology
- Electroluminescent display
- Electrolysis
- Electrolyte
- Electromagnetic interference
- Electron-beam processing
- Electronic billing
- Electronic component
- Electronic keyboard
- Electronic switching system
- Electrophoresis
- Elevator algorithm
- Elifelet
- Eliphalet
- Elizabeth Rous Comstock
- Elizur
- Ellen Russell Emerson
- Elmer Adler
- Email client
- Email filtering
- Emeline Horton Cleveland
- Emergency power system
- Emile Erlanger & Co.
- Emily Briggs
- Emission spectrum
- Emor
- Emperor Taizu of Song
- Emphyteusis
- Empididae
- Employment
- Emulex
- Encephalartos
- Encryption
- Endianness
- Endocrine system
- English Gothic architecture
- Engraved glass
- Engraving
- Ennstal Alps
- Enragés
- Enrico Caterino Davila
- Enterprise portal
- Entity
- Entry point
- Eocene
- Eocrinoidea
- Epeirogenic movement
- Ephron
- Epicyclic gearing
- Epistle to the Colossians
- Epitaxy
- Equal pay for equal work
- Erfurt Union
- Eriophorum
- Eriophyllum lanatum
- Erminnie A. Smith
- Ernst Chladni
- Error message
- Erysimum
- Erythronium
- Esotropia
- Esteban Martín
- Estes Kefauver
- Ethernet hub
- Ethiopian chant
- Etox
- Eugène Scribe
- Euler's three-body problem
- Euodia and Syntyche
- Euphemites
- European sprat
- Eustigmatophyte
- Evolution-Data Optimized
- Exam
- Exif
- Exosphere
- Exotic atom
- Expanded memory
- Expansion card
- Expression (mathematics)
- External memory interface
- Extinction (astronomy)
- Extract, transform, load
- Extrametricality
- Ezra–Nehemiah
- F region
- F-center
- FAO soil classification
- Fable
- Fabry–Pérot interferometer
- Factory
- Fad
- Faience
- Fake fur
- Fangyi
- Faraj
- Farinelli
- Faro (banking game)
- FastCAD
- Fat
- Father Damien
- Fathers and Sons (novel)
- Fatsia japonica
- Fault tree analysis
- Fauna
- Fauresmith (industry)
- Fax
- Fax modem
- Federation of Independent Unions
- Federico Della Valle
- Feldspar
- Felix Klein
- Ferdinand Sommer
- Fern moss
- Fernán Caballero
- Ferromagnetism
- Fertilizer
- Fiber Bragg grating
- Fiber media converter
- Fibonacci number
- Ficus
- Fidelia Fisk
- Field (computer science)
- File association
- File viewer
- Filename extension
- Filter (signal processing)
- Financial transaction
- Fingermouse
- Finnish paganism
- Fizeau–Foucault apparatus
- Flamboyant
- Flame retardant
- Flann O'Brien
- Flat memory model
- Flavien Ranaivo
- Fled Bricrenn
- Flemish painting
- Flexibilia
- Flight instruments
- Flight length
- Flight test
- Flip-flop (electronics)
- Floating licensing
- Flood
- Flood fill
- Floppy disk
- Floridor
- Flow separation
- Flying Head
- Foldering
- Folke Bernadotte
- Font
- Food and drink prohibitions
- Food drying
- Footwear
- Forensic science
- Forest floor
- Forestry
- Forgery
- Fortunat Alojzy Gonzaga Żółkowski
- Forum Appii
- Foshan
- Four stages of awakening
- Fouta Djallon
- Fractionating column
- Francisco José Tenreiro
- Francisco de Aldana
- François Arago
- Fraser's Hill
- Fraxinus
- Fred Omach
- Frederick Niven
- Freeze frame television
- Frequency
- Friar
- Friederike Caroline Neuber
- Friedmann–Lemaître–Robertson–Walker metric
- Friedrich Bechtel
- Front and back office application
- Front-end processor
- Frostweed
- Fuel
- Fulgoridae
- Fulk (archbishop of Reims)
- Full table scan
- Full-text search
- Fulleride
- Fumaric acid
- Function model
- Functional analysis
- Fungi imperfecti
- Fusulinidae
- GF(2)
- GIF
- Gaillardia
- Gaius (biblical figure)
- Galápagos Islands
- Gamma spectroscopy
- Gamut
- Gardenia jasminoides
- Gastropoda
- Gates of Alexander
- Gateway (telecommunications)
- Gauge fixing
- Gaultheria procumbens
- Gauss's method
- Gaussian network model
- Gavdos
- Ge'alya
- Geac Computer Corporation
- Geek
- Gegenschein
- Geiger–Marsden experiments
- General State Laws for the Prussian States
- General-purpose macro processor
- Geodetic control network
- Geodimeter
- Geographic data and information
- Geography of Bihar
- Geomagnetic reversal
- Geometric primitive
- Geometry
- Geomori (Athens)
- George Bergman
- George Gilder
- George Hollins
- George N. Hollins
- George Philip (cartographer)
- George Philip Krapp
- George Steptoe Washington
- George W. Blunt
- George W. Maynard
- Geostrophic wind
- Geotechnical engineering
- Geothermal power
- German cockroach
- Ghost call
- Giambattista della Porta
- Giant order
- Giant resonance
- Gimbel
- Giovanni Bononcini
- Gjirokastër
- Glacier National Park (Canada)
- Glasgow University Muslim Students Association
- Glass Flowers
- Glassworm
- Glitch
- Global horizontal sounding technique
- Glossary of Islam
- Glossary of blogging
- Glossary of computer graphics
- Glossary of computer hardware terms
- Glossary of poker terms
- Glycol ethers
- Gnaeus Papirius Carbo (consul 85 BC)
- Goal seeking
- Gobiesocidae
- God is dead
- Gold ground
- Golden algae
- Goldline International
- Goldman Sachs
- Gondi family
- Gong Zizhen
- Goniophora
- Google Groups
- Governing boards of colleges and universities in the United States
- Grab (tool)
- Grand Ballon
- Grand Canyon
- Grand Circuit
- Grand Duke Konstantin Nikolayevich of Russia
- Graphical password
- Graphics card
- Graphics tablet
- Grassland
- Gravitational potential
- Gravity current
- Great Belt
- Great Goddess of Teotihuacan
- Great Shamokin Path
- Greater-than sign
- Greek Orthodox Patriarchate of Alexandria
- Greek chorus
- Green Bay (Lake Michigan)
- Green sea turtle
- Greene and Greene
- Greywacke
- Ground station
- Group mind (science fiction)
- Grouper
- Guild
- Guillaume Budé
- Guillaume Oyônô Mbia
- Guinea
- Guipuzcoan Company of Caracas
- Gulf of Corryvreckan
- Gummosis
- Guru Arjan
- Gussie Busch
- Gustaf Hellström
- Guy Thompson
- Gyantse
- Gymnosporangium juniperi-virginianae
- Gypsophila
- Gyrocotylidea
- H-theorem
- HD-Rosetta
- HTML element
- HTTP cookie
- Habenaria
- Hacquetia epipactis
- Haemanthus
- Haemulon
- Hair removal
- Hairstyle
- Haj Ali Razmara
- Halichondria panicea
- Hamal
- Haman
- Hamiltonian (quantum mechanics)
- Hannah Johnston Bailey
- Hannah Kent Schoff
- Hannibal
- Hanno the Navigator
- Hans Bethe
- Hans Christian Branner
- Hans Conrad Escher von der Linth
- Hans Franz Nageli
- Haplodrili
- Hard copy
- Hard disk drive
- Hardiness (plants)
- Hare
- Harmonic oscillator
- Harrier (bird)
- Harriet Elliott
- Harriet Hanson Robinson
- Hartebeest
- Hasdrubal Barca
- Hasdrubal the Fair
- Hasideans
- Hatching
- Havoth-Jair
- Hazzan
- He Yan
- Head crash
- Hearing
- Heating, ventilation, and air conditioning
- Heavy equipment
- Hege
- Heibonsha World Encyclopedia
- Heidelberg
- Heiligenschein
- Heinrich Federer
- Heinrich and Julius Hart
- Helen Sumner Woodbury
- Heletz
- Helminthosporium
- Henry Christopher Mance
- Hermopolis
- Hermsen
- Herpes labialis
- Hertzsprung–Russell diagram
- Heshbon
- Heterodyne
- Heterotrich
- Hexasterophora
- High place
- High-energy nuclear physics
- High-fructose corn syrup
- High-pressure chemistry
- High-voltage direct current
- Hirakushi Denchū
- Hirameji
- History of anthropometry
- History of the Jews in Greece
- History of the Puritans
- Hittite language
- Hoher Dachstein
- Holomastigotoides
- Homalozoa
- Home automation
- Home economics
- Home key
- Home port
- Homeostasis
- Homonuclear molecule
- Homopolar generator
- Honeydew (melon)
- Honeysuckle
- Hong Kong
- Hongjiang
- Horae
- Horizontal coordinate system
- Hosohedron
- Hou Ji
- Hour angle
- House of Balliol
- House of Bourbon-Parma
- House of Burgh
- House of Dolgorukov
- House of Habsburg
- Huainan
- Huaynamota
- Hugh MacDiarmid
- Huichol
- Hula Valley
- Hulan District
- Human embryonic development
- Husainid dynasty
- Hybotidae
- Hydrofluorocarbon
- Hygroscopy
- Hylidae
- Hypercapnia
- Hyperdeformation
- Hyperspectral imaging
- Hypertext Transfer Protocol
- Hyphaene thebaica
- Hyphen
- Høie
- IBM 2321 Data Cell
- IBM 7030 Stretch
- IBM Advanced Peer-to-Peer Networking
- IBM DISOSS
- IBM Db2
- IBM PCradio
- IBM Scalable POWERparallel
- IBM System/390
- IEEE 1394
- IP address
- ISO 9660
- Iberis
- Icard, North Carolina
- Ice algae
- Icerya purchasi
- Iconography
- Image map
- Image resolution
- Immunoassay
- Imperial Conference
- Imperial Preference
- Imperial units
- Implicit-association test
- Imre Garaba
- Incheon
- Indentation (typesetting)
- Independent Democratic Feminist Party
- Indian Civil Service
- Indigenous languages of the Americas
- Indigenous peoples of South America
- Indonesian National Revolution
- Inductance
- Industrial strength
- Inelastic scattering
- Infant
- Infection
- Infectious canine hepatitis
- Informal methods of validation and verification
- Information technology
- Information technology audit
- Information theory
- Infrared
- Inkundla Ya Bantu
- Inline caching
- Innamorati
- Instant messaging
- Instruction cycle
- Instruction set architecture
- Integrated circuit packaging
- Integrated development environment
- Intel Hub Architecture
- Intelligent control
- Intensity (physics)
- Intensity interferometer
- Interactive television
- Interception of Communications Act 1985
- Intermediate-frequency amplifier
- Intermolecular force
- International Association of the Congo
- International Linear Algebra Society
- Internet forum
- Internet service provider
- Internet slang
- Interrupt
- Interstitial webpage
- Intertropical Convergence Zone
- Intestinal gland
- Intranet
- Intrinsic and extrinsic properties (philosophy)
- Ion track
- Ipcs
- Ipiutak site
- Irene Barnes Taeuber
- Iris dilator muscle
- Iris domestica
- Irvingia gabonensis
- Isabela Island (Galápagos)
- Isabella Graham
- Isaiah Berlin (rabbi)
- Isanavarman
- Ishii Kikujirō
- Isobryales
- Isocolon
- Isodrin
- Isomer
- Isotopes of protactinium
- István Bethlen
- István Széchenyi
- István Tisza
- Italian People's Party (1919)
- Italic script
- Ivan Nechuy-Levytsky
- Iwellemmedan people
- Jacques Babinet
- Jacques Leroy de Saint-Arnaud
- Jacques-Arsène d'Arsonval
- Jagir
- Jahdiel
- Jakarta Enterprise Beans
- Jakob Thorarensen
- Jalali calendar
- Jalili dynasty
- James Branch Cabell
- James Gayley
- James Moffatt
- James Murray Barbour
- James W. Hunnicutt
- Jamie Dimon
- Jan Högbom
- Jan van Hembyse
- Janggu
- Jangseung
- Japanese people
- Java
- Java (programming language)
- Java remote method invocation
- Jean Baptiste Gaspard Bochart de Saron
- Jean Brunhes
- Jean François Paul de Gondi
- Jean Rouxel
- Jean-Claude Miche
- Jehosheba
- Jeong Yak-jong
- Jeonju
- Jeshbab the Scribe
- Jeshurun
- Jesuit Estates Act
- Jewel orchid
- Jewish population by country
- Jhang
- Jhelum
- Jian ware
- Jiangnan Shipyard
- Jiangsu Art Gallery
- Jihad
- Jingdezhen porcelain
- Jinny Beyer
- Jinsha River
- Jirajara language
- Jiuling Mountains
- Job's tears
- Johann Heinrich Pestalozzi
- Johannsenite
- John Dalton
- John Dos Passos
- John H. B. Latrobe
- John Henry Belter
- John M. Mason (theologian)
- John Thomas Whitehead Mitchell
- John Wood Oman
- John of Damascus
- Joinery
- Joktheel
- Jola people
- Josep Maria de Sagarra
- Joseph Albert Alexandre Glatigny
- Joseph Pothier
- Josephine Jewell Dodge
- Joyce Cary
- Joyce Kilmer
- Jubilee in the Catholic Church
- Julia McGroarty
- Juma people
- Junzo Sakakura
- Jurong
- Juvenile delinquency
- Jämtland
- Jāņi
- Kadesh (biblical)
- Kaga-Bandoro
- Kainai Nation
- Kale
- Kalvis
- Kanapoi
- Kandake
- Kannur
- Kansas City-style barbecue
- Kantakouzenos
- Kanze (Noh school)
- Kaokoveld
- Kaolinite
- Kaoru Morota
- Karachay-Cherkess Autonomous Oblast
- Karajá
- Karakum Desert
- Karasids
- Karel Kramář
- Kariera people
- Karl August, Grand Duke of Saxe-Weimar-Eisenach
- Karl Koller (ophthalmologist)
- Karlshamn
- Karlskrona
- Karst Plateau
- Kasla, Jerusalem
- Kassama
- Kassites
- Kastanozem
- Kastellorizo
- Katembe
- Katō Hiroyuki
- Kawahigashi Hekigotō
- Kazimierz Wierzyński
- Kazimir Malevich
- Kea (island)
- Kechries
- Kells, County Meath
- Keratoconjunctivitis
- Keratosa
- Kernel (operating system)
- Key encapsulation mechanism
- Key escrow
- Keyboard technology
- Keying (official)
- Khanbaliq
- Khazars
- Kibata
- Kilwa Chronicle
- Kimkhwab
- Kingdom of Mrauk U
- Kiritimati
- Kirstenbosch National Botanical Garden
- Klabund
- Klemens von Metternich
- Kleobis and Biton
- Kolyma Mountains
- Konbaung dynasty
- Konstantinos Karamanlis
- Korea
- Kremlin Armoury
- Kritios
- Kuaizhou
- Kushan art
- Kutorginata
- Kyphosus sectatrix
- Kyō ware
- La Ferrassie 1
- La Trémoille family
- La traviata
- Lady Caroline Blackwood
- Lagrangian mechanics
- Laguna District
- Lajat
- Lake Moeris
- Lake Tyers Mission
- Lake Wabby
- Lamarckism
- Lamprocapnos
- Lane
- Languriini
- Lantern tree
- Laser diode
- Laser printing
- Lattice energy
- Laura Drake Gill
- Laura Maria Sheldon Wright
- Lava cave
- Lavender oil
- Law of definite proportions
- Law of trichotomy
- Lawrence Langer
- Lawyer
- Lay judge
- Layia
- Lazarus Ercker
- Le Corbusier
- Le Cousin Pons
- Lead chamber process
- Leased line
- Leconte de Lisle
- Legacy Plug and Play
- Lemuel Hopkins
- Length scale
- Leonora Dori
- Leopard's Kopje
- Lepadiformes
- Lepidodendron
- Leptaena
- Leptolepidae
- Les Eyzies-de-Tayac-Sireuil
- Letter-quality printer
- Levantine archaeology
- Levee
- Lever
- Lexicographic order
- Li Sixun
- Liaquat–Nehru Pact
- Liberal Party of Canada
- Library (computing)
- Life support
- Lightning
- Lightweight Directory Access Protocol
- Lightweight protocol
- Liliane Atlan
- Lily of the valley
- Lime (material)
- Limoges enamel
- Limon Bay
- Limpkin
- Line printer
- Linear Tape-Open
- Lingqu
- Lingulida
- Linoproductus
- Lipid
- Liquor
- Lisp (programming language)
- List (abstract data type)
- List of ITU-T V-series recommendations
- List of Intel chipsets
- List of Knights of the Baltimore City College
- List of art schools
- List of biblical names starting with B
- List of biblical names starting with P
- List of companies of Germany
- List of courts of the United States
- List of desktop publishing software
- List of feeding behaviours
- List of islands of the United States
- List of minor Old Testament figures, A–K
- List of minor Old Testament figures, L–Z
- List of minor biblical places
- List of minor biblical tribes
- List of musical instruments by Hornbostel–Sachs number: 322.11
- List of musical instruments by Hornbostel–Sachs number: 322.12
- List of naval weapon systems
- List of peaks named Baldy
- List of prime ministers of Canada
- List of printing protocols
- List of rural localities in Vologda Oblast
- List of surveying instruments
- List of toolkits
- List of ukiyo-e terms
- List of video connectors
- Lists of animal diseases
- Lists of constellations
- Lists of islands
- Lists of universities and colleges
- Lithic sandstone
- Lithophone
- Little Belt
- Little Wobby, New South Wales
- Livestock dehorning
- Load balancing (computing)
- Local access and transport area
- Localized molecular orbitals
- Location-based service
- Loewe v. Lawlor
- Logic gate
- Logic level
- Lolium temulentum
- Longitude of the periapsis
- Longitudinal wave
- Longmyndian Supergroup
- Longquan celadon
- Loo table
- Lookup table
- Lophostemon confertus
- Lord Herries of Terregles
- Louderback
- Louis Alan Hazeltine
- Louis Charles Delescluze
- Lu Xun
- Lucy Minnigerode
- Lucy Rider Meyer
- Luge
- Luis Miguel Dominguín
- Luminescent bacteria
- Lungfish
- Lunghi
- Lupemban culture
- Luvisol
- Luwian language
- Lybia
- Lyceum
- MacDraw
- Machine code monitor
- Macleaya cordata
- Maclura pomifera
- Macro (computer science)
- Madiun Affair
- Maglemosian culture
- Magnetic field
- Magnetic monopole
- Magnetic separation
- Magnetic storage
- Magnetic survey (archaeology)
- Magnetic susceptibility
- Magnetic-tape data storage
- Magnetization
- Magnetograph
- Magnetohydrodynamic generator
- Magnetohydrodynamics
- Magnetoresistance
- Magnolia champaca
- Magnus Stenbock
- Major depressive disorder
- Makonde people
- Malaspina family
- Mallarino–Bidlack Treaty
- Malwa Sultanate
- Malware
- Management information system
- Mandaeism
- Mangang
- Manorial court
- Mansfieldite
- Manzini, Eswatini
- Map
- Marcel Alexandre Bertrand
- Marchantiopsida
- Marchfeld
- Margaret McDonald Bottome
- Margaret Pole, Countess of Salisbury
- Mari people
- Maria Aurora von Königsmarck
- Maria Polydouri
- Marie Joseph Butler
- Marie Walewska
- Marine Corps Base Camp Lejeune
- Marine geophysics
- Marjorie Harris Carr Cross Florida Greenway
- Marquis de Sade
- Martha P. Falconer
- Martha Peterson
- Martin (name)
- Martinique Passage
- Mary Ann Lee
- Mary Noailles Murfree
- Mary Philipse
- Mary Smith Garrett
- Mary van Kleeck
- Masculine and feminine endings
- Mass diffusivity
- Mass distribution
- Mass in general relativity
- Mass-to-charge ratio
- Massangano
- Mastitis in dairy cattle
- Mastretta MXT
- Matabei
- Material-handling equipment
- Mathematical optimization
- Mathematicism
- Matilda of Tuscany
- Matsunaga Teitoku
- Matsyendranatha
- Mattancherry
- Maurice J. Freedman
- Mausoleum of the First Qin Emperor
- Max Devrient
- Maxwell–Boltzmann statistics
- Mbuji-Mayi River
- Mbuti people
- McGill University
- Meanings of minor planet names: 3001–4000
- Meier Helmbrecht (play)
- Melville Island (Northwest Territories and Nunavut)
- Memory typewriter
- Memphis riots of 1866
- Menke Katz
- Menshen
- Mentzelia lindleyi
- Mercury(II) chloride
- Meridian (astronomy)
- Message authentication
- Message transfer agent
- Metal cluster compound
- Metallochaperones
- Metamorphism
- Meteorite
- Meteorology
- Metheg-ammah
- Mexican Plateau
- Mexican art
- Michael Critobulus
- Michael Strange
- Micro Focus
- Microdialysis
- Micrografx
- Micromanagement
- Micromuse
- Microsoft BackOffice Server
- Microsoft BizTalk Server
- Microsoft Pay
- Microsoft at Work
- Microtechnique
- Middle Persian
- Mieczysław Halka-Ledóchowski
- Mie–Grüneisen equation of state
- Mihály Károlyi
- Military technology
- Mill (grinding)
- Millipede
- Milton Obote
- Mimana
- Mina'i ware
- Minamoto no Shitagō
- Mineral processing
- Ministry of Internal Affairs (Tajikistan)
- Minoan pottery
- Minuartia
- Miocene
- Mir Basri
- Mirror
- Mixed reality
- Mixed-signal integrated circuit
- Mixing length model
- Miyazaki Yūzen
- Mobile broadband
- Mobile phone
- Modem
- Modern South Arabian languages
- Modular programming
- Mohammed al-Shaykh
- Molybdate
- Moment of inertia
- Monarchianism
- Monitor filter
- Monocrystalline whisker
- Monolayer
- Montane ecosystems
- Montdory
- Montenegro
- Montesquieu
- Moonrise and moonset
- Moorish architecture
- Morray
- Moscow Basin
- Moshi, Tanzania
- Motility
- Motion sickness
- Mount Aragats
- Mount Athos
- Mount Sodom
- Mousebird
- Mozarabic Rite
- Mozarabic art and architecture
- Mudrock
- Mughal architecture
- Mughal painting
- Muhammad XI of Granada
- Muhammad al-Amin al-Kanemi
- Mukhtar al-Kunti
- Multi-factor authentication
- Multi-ringed basin
- Multiferroics
- Multilayer switch
- Munejjim-bashi Ahmed Dede
- Muonio (river)
- Murji'ah
- Museo Barracco di Scultura Antica
- Museum Boerhaave
- Museum Boijmans Van Beuningen
- Mushahada
- Music of Mozambique
- Musical tuning
- Muskrat
- Mycobacterium
- NTT Docomo
- NXP ColdFire
- Nabadwip
- Nafusa Mountains
- Nageirebana
- Nahda
- Nail (fastener)
- Name binding
- Name server
- Nanhai District
- Nanling Mountains
- Nanthasen
- Napa cabbage
- Nasreddin
- National Academy of Sciences, India
- National Aquarium Denmark
- National Association Opposed to Woman Suffrage
- National Bloc (Mandatory Palestine)
- National Etruscan Museum
- National Liberation Front of Corsica
- National Zoological Park Delhi
- Native American religion
- Natural gum
- Navajo song ceremonial complex
- Navajo weaving
- Navigation
- Navy
- Nematode
- Neminatha
- Neolin
- Neottia nidus-avis
- Nephelometer
- Nervous system
- Nervous system disease
- NetBeans
- NetDynamics Application Server
- NetWare
- Netscape Navigator
- Network access server
- Network administrator
- Network congestion
- Network convergence
- Network switch
- Neuron Data
- Neutron activation analysis
- Neutron triple-axis spectrometry
- Nevers faience
- Nevin M. Fenneman
- New Criticism
- New York (magazine)
- Newline
- Newport Bermuda Race
- Newton's laws of motion
- Ngarluma language
- Ngoy
- Nicaro-Levisa
- Nifurtimox/eflornithine
- Night school
- Night-vision device
- Nimrud
- Ningxia
- Ninsei
- Nippotaeniidea
- Nitrate
- Nitro compound
- Nomenclature codes
- Non-equilibrium thermodynamics
- North African campaign
- North Devon cattle
- North Jiangsu Main Irrigation Canal
- Northeast Caucasian languages
- Northern cavefish
- Norway
- Norwest Corporation
- Notonectidae
- Nova
- Novanet, Cloud Communications Company
- Novell
- Nuclear engineering
- OLE Automation
- Occupational safety and health
- Ocean current
- Oceanic trench
- Octahedral cluster
- Octave (poetry)
- Octocorallia
- Ode
- Office of Population Research
- Officina Bodoni
- Oil
- Old French law
- Omnichannel retail strategy
- On the Waterfront
- Online analytical processing
- Online auction
- Onobrychis
- Opacity (optics)
- Open Database Connectivity
- Open port
- Operating system
- Operational database
- Opioid
- Optical disc recording modes
- Optical fiber connector
- Oracle Database
- Oracle Hyperion
- Oral-formulaic composition
- Orbital node
- Orbital period
- Orchid
- Ordnance Survey International
- Ordovician
- Organic law
- Organization of Iranian People's Fedai Guerrillas
- Orthogonal frequency-division multiplexing
- Oscillation
- Ostrava
- Ottoman Ayan
- Oudenaarde
- Outcrossing
- Outsourcing
- PATH (variable)
- PHIGS
- Pablo Picasso
- Pack rat
- Padding
- Page (computer memory)
- Page orientation
- Page printer
- Pair production
- Palaeoisopus
- Paleoclimatology
- Paleohydrology
- Paleolithic religion
- Palette (computing)
- Paliurus spina-christi
- Palmyrene Aramaic
- Palti, son of Laish
- Paneth cell
- Parable
- Parabola
- Parallel communication
- Parametric statistics
- Pardes (exegesis)
- Parity bit
- Parlement
- Parliamentary procedure
- Particle in a spherically symmetric potential
- Paspalum dilatatum
- Passiflora
- Patch (computing)
- Paterinata
- Patrol
- Patronage in ancient Rome
- Patroon painters
- Pattern formation
- Paul Bernays
- Paul Morin
- Paul Reuter
- Paul W. Litchfield
- Pearl River
- Pegu Range
- Pelatiah Webster
- Pellaea (plant)
- Peltigera canina
- Pelé
- Penal labour
- Pendulum
- Peneda-Gerês National Park
- Penki
- Pennsylvania Railroad
- Pentacrinoidea
- Pepoli
- Performing arts medicine
- Periclase
- Pericles, Prince of Tyre
- Peripheral
- Periphyton
- Permanent Representatives' Committee of the African Union
- Persian carpet
- Persian miniature
- Personal NetWare
- Personality psychology
- Personality test
- Petralona Cave
- Petroleum coke
- Petun
- Pharaoh's daughter (Exodus)
- Phase curve (astronomy)
- Phase diagram
- Phase space
- Phase-change Dual
- Philemon (biblical figure)
- Philippine Independent Church
- Philomela
- Phoenicia
- PhoneNET
- Phonocardiogram
- Phosphate
- Photochemistry
- Photoreceptor cell
- Phuopsis stylosa
- Phyllocladus aspleniifolius
- Physical cosmology
- Phytomyxea
- Pick–Sloan Missouri Basin Program
- Pierre-Louis-Georges du Buat
- Pinchas Goldhar
- Pinturicchio
- Piqué work
- Pixiu
- Plaintext
- Planck's law
- Planetary equilibrium temperature
- Planetary phase
- Planetary science
- Planning permission
- Plant breeding
- Plant communication
- Plant pathology
- Plant physiology
- Plant stem
- Plasmatron
- Plastic surgery
- Plastid
- Plate girder bridge
- Platycodon
- Ploceidae
- Ploidy
- Plotter
- Pluriarc
- Pneuma
- Poaceae
- PocketZip
- Poinsot's ellipsoid
- Poland China
- Polanisia
- Polar ecology
- Polarization density
- Poly(methyl methacrylate)
- Polyamide-imide
- Polybutadiene
- Polycyclic aromatic hydrocarbon
- Polyethylene terephthalate
- Polystichum acrostichoides
- Ponta do Seixas
- Pony Club Association of Victoria
- Pop art
- Popular culture
- Population of Native California
- Porocephalida
- Port of Chicago
- Post-Newtonian expansion
- Post-romanticism
- PostScript fonts
- Potential energy
- Poussinists and Rubenists
- Pouteria australis
- Power (physics)
- Power good signal
- Power supply unit (computer)
- Prairie
- Prajñaptivāda
- Pramana
- Pratyaksha
- Precipitation
- Precipitin
- Presbyterian Church of Wales
- Press cake
- Priceite
- Primary mineral
- Primula matthioli
- Prince Adolf of Auersperg
- Prince Arthur, Duke of Connaught and Strathearn
- Prince of Wales Island (Nunavut)
- Princes of Condé
- Print on demand
- Printed circuit board
- Printer (computing)
- Pristina
- Privacy-invasive software
- Private collection
- ProQuest Dialog
- Probability distribution
- Procedural modeling
- Procne
- Productivity (ecology)
- Professional video camera
- Programmed cell death
- Programmer
- Progressive Party (United States, 1912)
- Progressive scan
- Progressive scan DVD player
- Protonosphere
- Provence Alps and Prealps
- Prudence Crandall
- Psamment
- Pseudo-Philo
- Pseudobornia
- Psilophytopsida
- Psoralea esculenta
- Pteris
- Ptilostemon
- Pueblo pottery
- Pugettia
- Punched card input/output
- Push technology
- Pyotr Wrangel
- Pyroelectricity
- Pyrope
- Pyrrhotite
- Pythia
- Pál Teleki
- P–n diode
- Qarmatians
- Qasigiannguit
- Qijia culture
- Qilian Mountains
- Qin Hui
- Qin River (Shanxi)
- Qin Shi Huang
- Quad flat package
- Quality (business)
- Quantum tunnelling
- Quartz
- Quba rugs and carpets
- Query optimization
- RAID
- RAMIS (software)
- RCA Spectra 70
- RF and microwave filter
- ROM image
- RS-232
- Radiation protection
- Radio wave
- Radioactive decay
- Radioactive tracer
- Radon-222
- Rafīq Bey al-ʿAzm
- Rage (emotion)
- Ragunan Zoo
- Rajavaliya
- Rajput painting
- Ramcharitmanas
- Raphidophyte
- Raqqa
- Raster graphics
- Rational ClearCase
- Rationalism (architecture)
- Rav Giddel
- Rawa, Iraq
- Rayleigh number
- Rayleigh–Bénard convection
- Raymond IV, Count of Toulouse
- Raymond VI, Count of Toulouse
- Raymond VII, Count of Toulouse
- Raymond de Sauvetât
- Reaction progress kinetic analysis
- Reagent
- Real tennis
- Reboot
- Recaizade Mahmud Ekrem
- Recapitulation theory
- Rectifier
- Redox
- Reef knoll
- Reflecting telescope
- Reflection seismology
- Reflective memory
- Refractometry
- Regents of the University of California v. Bakke
- Reginald Pole
- Registan Desert
- Reindeer
- Reinforced concrete
- Reiyūkai
- Reizei Tamechika
- Relative permittivity
- Relativistic Breit–Wigner distribution
- Religion in pre-Islamic Arabia
- Religious Jewish music
- Remaster
- Remote desktop software
- Remote job entry
- Remphan
- Resafa
- Residential gateway
- Resonator
- Resource allocation
- Reststrahlen effect
- Rhabdocoela
- Rhine
- Rhyme
- Rhynchobdellida
- Ribbonfish
- Richard Offner
- Ricinus
- Riebeckite
- Rikken Kaishintō
- Rimmon
- Rio de Janeiro (state)
- Risk assessment
- Riss glaciation
- Rites of Zhou
- River Avon, Bristol
- River Barrow
- River ecosystem
- River regime
- Rizalista religious movements
- Robert Bailey Thomas
- Robert Charbonneau
- Robert Eitner
- Robert Erskine Holland
- Robert Schindel
- Robot Patent
- Roda Island
- Roland Burrage Dixon
- Roman Campagna
- Roman law
- Romanticism
- Ronald Firbank
- Rosa multiflora
- Rosario de Acuña
- Rose Hartwick Thorpe
- Rose window
- Rosemary Park
- Rotation formalisms in three dimensions
- Rothaar Mountains
- Rous sarcoma virus
- Router (computing)
- Roy W. Howard
- Royal Botanical Gardens, Peradeniya
- Royal Canadian Mounted Police
- Royal College of Surgeons of Edinburgh
- Royal Crown Derby
- Rozvi Empire
- Rubin–Ford effect
- Ruby McKim
- Rudolf Carnap
- Rumex hymenosepalus
- Rust (fungus)
- Rustic architecture
- Rutan Voyager
- Ruwais
- Ryūnosuke Akutagawa
- Río Grande de Arecibo
- Rājākariya
- SCSI connector
- SCSI host adapter
- SD card
- SMS
- SMS language
- SNAC
- SPECfp
- ST506/ST412
- Sadh
- Saint Boniface
- Sakuma Shōzan
- Salado Formation
- Salghurids
- Sallarid dynasty
- Salmon Levinson
- Salt (chemistry)
- Samaria (ancient city)
- Sami Frashëri
- San Francisco Ballet
- Sandblasting
- Sanford Wallace
- Sangam literature
- Sangha
- Sanxing (deities)
- Saponaria officinalis
- Sarbadars
- Sarcopterygii
- Sardinia
- Saron (instrument)
- Sartoris
- Satellite radio
- Saura (Hinduism)
- Savanna Pastoral Neolithic
- Savings and loan association
- Sayf al-Dawla
- Scale insect
- Scandinavian law
- Scattering
- Schistosomiasis
- School counselor
- School governor
- Schuler tuning
- Scolecophidia
- Scotch bonnet (sea snail)
- Sea shanty
- Seafloor mapping
- Search of persons
- Seat belt
- Second Barbary War
- Second Italian War of Independence
- Securigera orientalis
- Security Identifier
- Security hacker
- Security level
- Security question
- Security vetting in the United Kingdom
- Sedona Airport
- Seedling
- Seismic stratigraphy
- Seismic wave
- Seismometer
- Seisonidae
- Self-booting disk
- Self-healing ring
- Semiconductor device fabrication
- Semipermeable membrane
- Senna corymbosa
- Sennacherib
- Separation process
- Sergei Witte
- Serial communication
- Server (computing)
- Session Initiation Protocol
- Severnaya Zemlya
- Sewa River
- Shacharit
- Shadrafa
- Shaft sinking
- Shale
- Shebuel
- Sheerah
- Shenzhen
- Shibuya
- Shinsen
- Shinto sects and schools
- Shofar
- Shorthorn
- Shrinathji
- Shuwaikh Port
- Siberia (continent)
- Sicana odorifera
- Siderite
- Sideroxylon
- Sigfrid Siwertz
- Signaling (telecommunications)
- Silesian Uprisings
- Silver-gilt
- Simon the Zealot
- Simple programmable logic device
- Simri
- Sinapis arvensis
- Sine and cosine
- Singanallur
- Singitic Gulf
- Single-page application
- Single-source publishing
- Sippai
- Sirius
- Sister exchange
- Sixel
- Size
- Skeletal muscle
- Skin temperature
- Slump (geology)
- Smart House
- Smart home hub
- Smart speaker
- Smithsonian Institution
- Smolensk Upland
- Smother crop
- Soap Box Derby
- Sociality
- Soft hyphen
- Softmodem
- Software and Information Industry Association
- Software bug
- Software development kit
- Software release life cycle
- Sogdian art
- Soil and grain
- Soil biology
- Soil liquefaction
- Solar rotation
- Solar time
- Solitaire
- Solomon Babalola
- Somapura Mahavihara
- Somatic Cell and Molecular Genetics
- Sonata da camera
- Soninke-Marabout War (1850–1856)
- Sorter (logistics)
- Sorting
- Soul dualism
- Soul loss
- Soumak
- Sound
- Sound card
- South Semitic scripts
- Southern Bug
- Spacecraft electric propulsion
- Spalacotherium
- Spallation
- Spectral line
- Spectral line shape
- Sphenophyllales
- Sphenophyllum
- Spin (physics)
- Spinal cord injury
- Spirotrich
- Sponge
- Square Enix Image Studio Division
- St. Elmo's fire
- Staffordshire Potteries
- Staffordshire figure
- Stairs
- Standard cell
- Standardized test
- Stanser Verkommnis
- State (computer science)
- Stellar classification
- Step cutting
- Stibarsen
- Stiffness
- Stokes drift
- Streaming media
- Streamline Moderne
- Strelitzia
- Streptocarpus
- String (computer science)
- Strong cryptography
- Structural chemistry
- Structural coloration
- Structured analysis
- Structured cabling
- Stylophora
- Städel
- Subroutine
- Substantive dye
- Suctoria
- Sugarplum
- Sulawesi
- Sulfonic acid
- Sultanabad ware
- Sultanate of Agadez
- Summer stock theater
- Sunbeam
- Superficies
- Superminicomputer
- Superposed order
- Surcoat
- Surety
- Surge protector
- Sustainable products
- Sutemi Horiguchi
- Svabite
- Sven Holm
- Swahili language
- Sweden
- Switch statement
- Switching circuit theory
- SyQuest EZ 135 Drive
- Sycon
- Symmetry (physics)
- Symmetry in biology
- Symmorphosis
- Synchronverter
- Synod
- Synod of Arles
- Synods of Antioch
- Synthetic element
- Synthetic fiber
- Syro-Malabar Church
- Syro-Malankara Catholic Church
- System Management Mode
- System on a chip
- Systems engineering
- Ta'anit
- Tab (interface)
- Table (furniture)
- Table View
- Taceddin Ahmedi
- Taego Bou
- Takayasu's arteritis
- Talal
- Talbot Hamlin
- Tale of Aqhat
- Tamiahua Lagoon
- Tanacetum balsamita
- Tancred, Prince of Galilee
- Tanglewood
- Tanimbar Islands
- Tanning lamp
- Tape head
- Tapestry
- Tappa Hisar
- Taraz
- Tashkent Declaration
- Tcl
- Tea Party protests
- Technophilia
- Tel Abib
- Tel Arad
- Tel Yokneam
- Telephone exchange
- Telephone tapping
- Television
- Tem language
- Ten Commandments
- Tereus
- Terminal mode
- Tetraclinis
- Tetractinellida
- Text mode
- Thar Desert
- The Bridge on the Drina
- The Bubble Boy (Seinfeld)
- The Castle of Otranto
- The Crab
- The Cult of the Self
- The Europeans
- The Priory City of Lincoln Academy
- The Raven Cycle
- The Waste Land
- Theatre of ancient Rome
- Thelepus
- Theodosius the Cenobiarch
- Theodotus of Byzantium
- Theognostus of Kiev
- Theoretical ecology
- Thermal ecology
- Thermal expansion
- Thermal pressure
- Thick-film technology
- Thin client
- Thirty Years' War
- Thomas Edward Barter
- Thomas Erskine Holland
- Thomas Fleet (printer)
- Thomas Lake Harris
- Thomas Whieldon
- Three-age system
- Thyroptera
- Théodule
- Théophile Ferré
- Tian Shan
- Tibetan Plateau
- Tihamah
- Timeline of Apple Inc. products
- Timothy II of Alexandria
- Tinicum Township, Delaware County, Pennsylvania
- Titus Calpurnius Siculus
- Tkhine
- Toka Gorge
- Tomb of Benei Hezir
- Top-level domain
- Topographic map
- Torque
- Torreya californica
- Tourmaline
- Toxic shock syndrome
- Tragus (plant)
- Training and development
- Trans-Caspian railway
- Trans-Hudson orogeny
- Trans-Mexican Volcanic Belt
- Transmedia storytelling
- Transmission electron microscopy
- Transylvanian rugs
- Trappists
- Traumatic bone cyst
- Treaty of Rastatt
- Tree
- Tree marriage
- Treeswift
- Tribe of Asher
- Trichomycetes
- Trichromacy
- Triconodon
- Tridactylidae
- Trigonometric functions
- Trilobite
- Trinity
- Tripalmitin
- Trisvabhāva
- Trochonema
- Trogossitidae
- Tropical cyclone
- Troy, Tennessee
- Tru64 UNIX
- Tsunami
- Tuamotus
- Tuatha Dé Danann
- Tube-dwelling anemone
- Tufa
- Tumulus
- Tunguska Basin
- Tunis
- Turan
- Turbidimetry
- Turbopause
- Turkeywork
- Turkish music (style)
- Turnitin
- Turritella
- Twilight
- Twinaxial cabling
- Typeface
- Typesetting
- Tyrant flycatcher
- Távora affair
- UK hard house
- URL redirection
- USB flash drive
- Ubangi River
- Ultimogeniture
- Umayyad Caliphate
- Uniform Computer Information Transactions Act
- Unique key
- Unit of measurement
- Unit record equipment
- United States Bill of Rights
- United States Postal Service
- United States antitrust law
- Units of information
- University of Königsberg
- Upright spin
- Usenet newsgroup
- Uspallata Pass
- Utility frequency
- Utraquism
- VBox Home TV Gateway
- Vacuum metallurgy
- Value-added service
- Van Cittert–Zernike theorem
- Van Nu en Straks
- Vanadate
- Vanadium
- Vaphio
- Vaporware
- Vector calculus
- Veil of Veronica
- Venetian glass
- Verizon (mobile network)
- Verlet integration
- Verrucomorpha
- Verso de arte mayor
- Vertical datum
- Via Praenestina
- Video-signal generator
- Videodisc
- Vienna porcelain
- Vilcabamba mountain range
- Villa Borghese
- Vir Singh (writer)
- Viral encephalitis
- Viral interference
- Viroid
- Virtual desktop
- Virus
- Viscosity
- Visual music
- VisualWorks
- Vitruvian scroll
- Vocational education
- Voice over IP
- Volcanic ash
- Volga-Ural Petroleum and Gas Province
- Volhynian-Podolian Upland
- Volta potential
- Voltameter
- Volume viscosity
- Vortex-induced vibration
- Vrindavan
- Väki
- Wadsworth constant deviation system
- Wakefield Mystery Plays
- Warez
- Washington, D.C.
- Wassily de Basil
- Water pollution
- Water quality
- Wave equation
- Wave vector
- Wavelength-division multiplexing
- Waves in plasmas
- Wearable computer
- Web accelerator
- Web beacon
- WebDAV
- WebPC
- Weevil
- Weichselian glaciation
- Weight function
- Western High Plateau
- White Cloud Mountain minnow
- White Fathers
- White Nile
- White Rajahs
- White-Jacket
- White-box testing
- Whiteprint
- Wild rice
- William Cameron Forbes
- William Ellis Tucker
- William Lowndes Yancey
- William Modisane
- Windows Media Audio
- Windows Registry
- Wine (software)
- Winnowing
- Wireless broadband
- Wireless network interface controller
- Wisdom King
- Woman's Journal
- Wood
- Word (computer architecture)
- Work function
- World Wide Web
- World's Columbian Exposition
- Wormhole
- Write once read many
- Wrocław
- Wurlitzer
- Xanthisma texanum
- Xeon
- Xylene
- Yang Chen-Ning
- Yann-Ber Kalloc'h
- Yantai
- Year 2000 problem
- Yechiel
- Yoshinobu Miyake (religionist)
- Young People's Society of Christian Endeavour
- Z/Architecture
- Zambezi, Zambia
- Zayyanid dynasty
- Zedekiah
- Zenith Eazy PC
- Zeolite
- Zhabei
- Zhang Juzheng
- Zhang Xianzhong
- Zhang Zhidong
- Zhangjiakou
- Zhanjiang
- Zhao Rukuo
- Zhejiang
- Zhengzhou
- Zhenjiang
- Zhenren
- Zhoukou
- Zhu Yizun
- Ziran
- Zobah
- Zone bit recording
- Zoogeography
- Zophah
- Zunyi
- Zwalm
- Åkermanite
- Çanakkale
- Émile Lemoine
- Ürümqi
- Đinh Bộ Lĩnh
- Điện Biên Phủ
- Đèo Văn Trị
- ʻApapane