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

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")

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