1818 United States House of Representatives elections in Maryland

Maryland elected its members October 5, 1818.

District	Incumbent			This race
	Member	Party	First elected	Results	Candidates
Maryland 1	Philip Stuart	Federalist	1810	Incumbent retired. New member elected. Federalist hold.	√ Raphael Neale (Federalist) 39.8% Nicholas Stonestreet (Federalist) 38.6% Henry G.S. Key (Federalist) 21.5%
Maryland 2	John C. Herbert	Federalist	1814	Incumbent retired. New member elected. Democratic-Republican gain.	√ Joseph Kent (Democratic-Republican) 56.7% John C. Weems (Federalist) 43.3%
Maryland 3	George Peter	Federalist	1816	Incumbent lost re-election. New member elected. Federalist hold.	√ Henry R. Warfield (Federalist) 59.1% George Peter (Federalist) 40.9%
Maryland 4	Samuel Ringgold	Democratic-Republican	1810 1814 (Lost) 1816	Incumbent re-elected.	√ Samuel Ringgold (Democratic-Republican) 97.7% Benjamin Galloway (Federalist) 2.1%
Maryland 5 Plural district with 2 seats	Samuel Smith	Democratic-Republican	1792 1803 (Retired) 1816	Incumbent re-elected.	√ Samuel Smith (Democratic-Republican) 50.3% √ Peter Little (Democratic-Republican) 49.7%
	Peter Little	Democratic-Republican	1810 1812 (Lost) 1816	Incumbent re-elected.
Maryland 6	Philip Reed	Democratic-Republican	1816	Incumbent lost re-election. New member elected. Democratic-Republican hold.	√ Stevenson Archer (Democratic-Republican) 56.1% Philip Reed (Democratic-Republican) 43.9%
Maryland 7	Thomas Culbreth	Democratic-Republican	1816	Incumbent re-elected.	√ Thomas Culbreth (Democratic-Republican) 70.0% Robert Wright (Democratic-Republican) 30.0%
Maryland 8	Thomas Bayly	Federalist	1816	Incumbent re-elected.	√ Thomas Bayly (Federalist) 98.3% Charles Goldsborough (Federalist) 1.4%

See also

• 1818 and 1819 United States House of Representatives elections
• List of United States representatives from Maryland