LSR

LSR may refer to:

Computing

• Label switch router, a type of router located in the middle of an MPLS network
• Lego Stunt Rally, a video game
• Link-state routing protocol, one of the two main classes of routing protocols used in packet switching networks
• Linux Screen Reader, a free and open source assistive technology of the GNOME desktop environment
• Logical shift right, a type of logical shift operator used in some computer languages
• Loose Source Routing, an IP routing option used for mobility in IP networks
• Link state request, a type of OSPF protocol message

Organizations

• LSR Group, one of Russia's largest construction firms
• Lady Shri Ram College for Women, a university in Delhi, India
• League for Socialist Reconstruction, a DeLeonist political organization in the United States
• League for Social Reconstruction, a socialist think-tank in Canada which ran from 1931 to 1942
• Leeds Student Radio, a student radio station based in Leeds
• Liberdade, Socialismo e Revolução, a Brazilian socialist organization
• Life Sciences Research, the U.S. incorporation of Huntingdon Life Sciences
• LifeRing Secular Recovery, an addiction recovery support group
• Freedom of Russia Legion (Legion "Svoboda Rossii")

Sciences

• Local standard of rest, a frame of reference for motion of matter in the Milky Way galaxy proximate to the Sun
• Land speed record, the record for highest speed by a land vehicle
• Liquid silicone rubber, a form of silicone rubber
• Lipolysis-stimulated lipoprotein receptor

Other

• LSR (sniper rifle), a Pakistani sniper rifle
• Local storm report, a product issued by the U.S. National Weather Service
• A type of equipment on the Israel television show HaShminiya