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LB, lb or lb. may refer to:

Businesses and organizations

  • L Brands, an American clothing retailer
  • Lane Bryant, a plus-size clothing retailer
  • Laurier Brantford, a satellite campus of Wilfrid Laurier University in Brantford, Ontario, Canada
  • Movement for Unification (), a nationalist Albanian political party in Kosovo
  • Ljubljanska banka, a bank named after and based in Ljubljana, Slovenia that operated in SFR Yugoslavia
  • airline (IATA code)
  • LB.ua (Left Bank (online edition), a Ukrainian online newspaper

Places

  • Labrador (former postal abbreviation)
  • Lebanon (ISO 3166-1 alpha-2 country code)
  • Long Beach, California
  • Los Baños, Laguna (an abbreviation commonly used to address the town of Los Baños)

Science and technology

Mathematics and computing

  • .lb, the Internet country code top-level domain (ccTLD) for Lebanon
  • Lattice Boltzmann methods, a class of computational fluid dynamics (CFD) methods for fluid simulation
  • Liberty BASIC, a programming language
  • Binary logarithm,
  • Lower bound, a mathematical concept in order theory

Units of measurement

  • Pound (mass), abbreviation derived from Latin libra
  • Pound-force

Other uses in science and technology

  • L-shaped electrical conduit body with the outlet in the Back ("LB")
  • Lysogeny broth (also known as Luria or Luria-Bertani broth), a microbial growth medium

Sport

  • Left back, a defensive position in Association football
  • Linebacker, a position in American and Canadian football
  • Leg bye, in cricket, a run scored by the batting team without the batsman hitting the ball

Other uses

  • LB (car ferries), one of several ferries on the HH Ferry route between Elsinore, Denmark and Helsingborg, Sweden
  • Luxembourgish language (ISO 639 alpha-2 code)
  • Letterboxing (filming)
  • Lebap (vehicle registration suffix LB)