LS may refer to:

Businesses

  • LS Group, a Korean company
  • Jet2.com (IATA code: LS), a British airline

Latin

  • Lewis and Short (abbr. "L&S"), authors of the 1879 work A Latin Dictionary
  • Lectori Salutem (L.S.), Latin for 'Greetings Reader' and used as opening words to a letter
  • locus sigilli, Latin for 'place of the seal', used in notarized and legal documents; see: Seal (contract law)

Organizations

  • Liberal Party of Croatia ( or LS), a Croatian political party active from 1998–2006
  • Liberal Democratic Party (Serbia, 1989), formerly known as the Liberal Party and abbreviated as LS
  • Liberals of Serbia, a defunct political party in Serbia
  • Liberals' Movement (Lithuania), a political party in Lithuania
  • Lincoln-Sudbury Regional High School, Massachusetts, US
  • Lok Sabha, the lower house of the Parliament of India
  • Loyola Schools, the college unit of the Ateneo de Manila University in Quezon City, Philippines

Places

  • Lesotho (ISO 3166-1 country code: LS), a country in southern Africa
  • LS postcode area, UK, covering Leeds
  • County Laois, Ireland

Science, technology, and mathematics

Astronomy

  • Light-second (ls), a unit of length in astronomy equivalent to the distance light travels in one second
  • Local Supercluster (LS) or Virgo Superclaster, our galaxy supercluster

Biology and medicine

  • Lung surfactant, a lipoprotein complex
  • Legius syndrome, also known as Neurofibromatosis 1-like syndrome, a genetic disorder
  • Lichen sclerosus, a skin disease
  • Linnean Society of London, postnominal LS
  • Live sand, in aquaria, sand populated with bacteria and organisms to aid in dissolving organic wastes

Computing and electronics

  • ls, a command specified by POSIX and by the Single UNIX Specification; used for listing files
  • .ls, the internet top-level domain for Lesotho
  • Link-state routing protocol, used in packet-switching networks
  • Location Services, a component of Microsoft's System Center Configuration Manager software
  • LS, a low-power Schottky version of a 7400 series chip

Engineering

  • Land Surveyor

Mathematics

  • Least squares, a regression analysis
  • Löwenheim–Skolem theorem, a theorem in first-order logic dealing with the cardinality of models

Physics

  • LS coupling, interaction between quantum numbers

Transportation

  • LS, a generic trim of Chevrolet vehicles
  • LS, a model prefix on sailplanes made by Rolladen-Schneider Flugzeugbau GmbH
  • LS 90, a Czech and Slovak train protection system
  • Lexus LS, a full-size luxury sedan produced by Lexus
  • Lincoln LS, a mid-size luxury sedan produced by Lincoln
  • GM LS engine, a V-8 engine in General Motors cars

Other uses

  • La Salle (disambiguation), several places and educational institutions
  • Latvian lats (Ls or ℒ𝓈), former currency of Latvia
  • LaVeyan Satanism, a religious group
  • Leading Seaman, a junior non-commissioned rank in several navies
  • Lisburn Standard, Northern Irish newspaper
  • Logistics Specialist, a rating in the United States Navy
  • Long snapper, a special teams player in American football
  • Lost Souls (online game), a MUD, or text-based online role-playing game
  • Sudanese pound, currency of Sudan, abbreviated to LS or £Sd
  • Syrian pound, currency of Syria, abbreviated to LS or £S