LB

LB, lb or lb. may refer to:

Codes

• .lb, the Internet country code top-level domain (ccTLD) for Lebanon
• Labrador's former postal abbreviation
• Lloyd Aéreo Boliviano airline's IATA code
• Luxembourgish language's ISO 639 alpha-2 code
• Lebanon's ISO 3166-1 alpha-2 country code

Units of measurement

• Pound (mass)
• Pound-force

Science and computing

• Binary logarithm, lb(n) = log₂(n)
• Lattice Boltzmann methods, a class of computational fluid dynamics (CFD) methods for fluid simulation.
• Liberty BASIC, a programming language
• Lower bound, a mathematical concept (order theory)
• Lysogeny broth (also known as Luria or Luria-Bertani broth), a microbial growth medium

Other

• LB (car ferries), one of several that has competed at the HH Ferry route between Elsinore, Sealand, Denmark and Helsingborg, Scania, Sweden. Presumably the busiest car & lorry route in the world. Large ferries departures every 15th minute (every 12th during parts of the summer.)
• Left back, a defensive position in Association football
• Letterboxing (filming)
• Linebacker, a position in American and Canadian football
• "L" shaped electrical conduit body with the outlet in the Back ("LB")
• Movement for Unification (Albanian: Lëvizja për Bashkim), a nationalist Albanian political party in Kosovo
• Ljubljanska banka, a bank named after and based in Ljubljana, Slovenia that operated in SFR Yugoslavia
• Laurier Brantford