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)

★ Liberty BASIC, a programming language

★ Linebacker, a position in American and Canadian football

★ Little Brother, a North Carolina rap group

★ Load balancing (computing)

★ Lokalbanen, a Danish railway company

★ Lysogeny broth, a growth media used in microbiology
In 'codes':

★ Lloyd Aereo Boliviano airline's IATA code

★ Luxembourgish language's ISO 639 alpha-2 code