LB

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 (Lëvizja për Bashkim), a nationalist Albanian political party in Kosovo
 * Ljubljana Bank (Ljubljanska banka), a bank named after and based in Ljubljana, Slovenia that operated in SFR Yugoslavia
 * Lloyd Aéreo Boliviano 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)

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, $lb(n) = log_{2}(n)$
 * 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

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)