# LS

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 (Croatian: Liberalna stranka 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