LB

LB or lb may refer to:
*.lb, the Internet country code top-level domain (ccTLD) for Lebanon
*Pound (mass) (lb)
*Pound-force (lb.)
*Left back, a defensive position in football (soccer)
*Leg Bye, a form of scoring in cricket.
*Liberty BASIC, a programming language
*Linebacker, a position in American and Canadian football
*Lysogeny broth (also known as Luria or Luria-Bertani broth), a growth media used in microbiology
*Little Brother, a North Carolina rap group
*Load balancing (computing)
*Lokalbanen, a Danish railway company
*London Borough, one of the 32 local authority divisions of Greater London, England.
*Limp Bizkit, a nu metal band
*Lytvyn Bloc, a Ukrainian political party

Codes

*Lloyd Aereo Boliviano airline's IATA code
*Luxembourgish language's ISO 639 alpha-2 code
*Lebanon's ISO 3166-1 alpha-2 country code