LR or Lr may refer to:

Businesses and organizations

  • Avianca Costa Rica, an airline, IATA airline code LR
  • Lenoir–Rhyne University in Hickory, North Carolina
  • Lenong Regiment, an infantry regiment of the South African Army
  • The Republicans (France) (Les Républicains), a political party in France
  • Lloyd's Register, a technical and business services organisation and a maritime classification society

Places

  • Lithuania (Lietuvos Respublika, LR)
  • Liberia (ISO 3166-1 alpha-2 country code LR)
  • .lr, the Internet country code top-level domain for Liberia
  • Little Rock, Arkansas, United States

Science, technology and mathematics

  • LR parser, a type of parser in computer science
  • Lexical resource, a database consisting of one or several dictionaries
  • Link register, a special purpose register in computer architecture
  • Adobe Lightroom, photography software program
  • L(R) (pronounced L of R), in set theory
  • Lawrencium, symbol Lr, a chemical element
  • .22 Long Rifle, a type of rimfire ammunition
  • Limiting reagent, the reactant that is completely consumed in a chemical reaction
  • Lactated Ringer's solution, an intravenous crystalloid resuscitative fluid

Other uses

  • Legislative route, a U.S. highway defined by laws passed in a state legislature
  • Latvijas Radio, a public radio broadcaster in Latvia
  • Light rail, a type of rail-based passenger transport

See also

  • Long Range (disambiguation)
  • Left and right (disambiguation)