SL may refer to:

Arts and entertainment

SL (rapper) Harlee Bashir Laguda Milne (born 3 September 2001), known professionally as SL, is a British rapper. Early life Harlee Bashir Laguda Milne was born on 3 September 2001 in Peckham, London, England. He was later raised in Thornton Heath, London d ...

, a rapper from London * ''

Second Life ''Second Life'' is an online multimedia platform that allows people to create an avatar for themselves and then interact with other users and user created content within a multi player online virtual world. Developed and owned by the San Fra ...

'', a multi-user 3D virtual world *

Sensei's Library Sensei's Library (commonly referred to as SL among Go-players) is an Internet website and wiki A wiki ( ) is an online hypertext publication collaboratively edited and managed by its own audience, using a web browser. A typical wiki conta ...

, an Internet site dedicated to the game of Go *

Subdominant leittonwechselklänge Parallel and counter parallel chords are terms derived from the German (''Parallelklang'', ''Gegenparallelklang'') to denote what is more often called in English the "relative", and possibly the "counter relative" chords. In Hugo Riemann' ...

Leica SL The Leica SL (Typ 601) is a full-frame mirrorless interchangeable-lens camera announced by Leica Camera AG on 20 October 2015. The SL is promoted as a camera system for professional applications. Beside the Leica S-System, the Leica SL-System is ...

, a mirrorless system camera by Leica Camera AG

Business and organizations

Sociedad Limitada A private limited company is any type of business entity in "private" ownership used in many jurisdictions, in contrast to a publicly listed company, with some differences from country to country. Examples include the ''LLC'' in the United Stat ...

, the Spanish version of a private limited company

Politics

* Serbian Left (''Srpska levica''), a political party in Serbia *

Stronnictwo Ludowe The People's Party (''Stronnictwo Ludowe'', SL) was a Polish political party, active from 1931 in the Second Polish Republic. An agrarian populist party, its power base was mostly farmers and rural population. In 1931 it was created from the merg ...

, a defunct Polish political party * Soyons Libres, a French political party

Transportation and vehicles

* SL Corporation, a Korean auto parts company *

Rio Sul Serviços Aéreos Regionais Rio-Sul Serviços Aéreos Regionais S/A was a regional airline headquartered in Rio de Janeiro, Brazil,"World Airline Directory." ''Flight International''. March 30, 1985112" Retrieved on July 23, 2009. operating scheduled services to southern B ...

(IATA code SL), a Brazilian airline *

Salt Lake City Southern Railroad The Salt Lake City Southern Railroad is a short-line railroad operating between Salt Lake City, and Murray, in Utah, United States. The SL began operating on April 19, 1993, as a RailTex subsidiary. Today the SL is a subsidiary of the Utah Rai ...

(reporting mark SL) *

Stor-Oslo Lokaltrafikk Stor-Oslo Lokaltrafikk AS or SL was the public transport administration for bus and ferry transport in Akershus, Norway from 1973 to 2007. SL was organised as a limited company owned by the Akershus county municipality, the City of Oslo, and the ...

, a public transport operator in Akershus, Norway *

Storstockholms Lokaltrafik Storstockholms Lokaltrafik, or more formally Aktiebolaget Storstockholms Lokaltrafik (Greater Stockholm Local Transit Company), is the organisation running all of the land based public transport systems in Stockholm County. It was previously k ...

, the public transport operator in Stockholm, Sweden *

Thai Lion Air Thai Lion Mentari Co. Ltd, trading as Thai Lion Air ( th, ไทยไลอ้อนแอร์), is a Thai low-cost airline, operating with Thai partners as an associate company of Lion Air of Indonesia. The carrier operates from Bangkok's Don ...

(IATA airline code SL) *

Mercedes-Benz SL-Class The Mercedes-Benz SL-Class (marketed as Mercedes-AMG SL since 2022) is a grand touring sports car manufactured by Mercedes-Benz since 1954. The designation ''SL'' derives from the German ''Sport-Leicht'' (English: Sport Light). Initially, the f ...

, an automobile

Trade unions

* Association of Social Educators, a trade union in Denmark

Geography

* Sierra Leone, in West Africa, ISO 3166 code * Saarland, a state of Germany * SL postcode area of the United Kingdom * Sungai Long, in Selangor, Malaysia

Language

* Sl (digraph), a Latin-script digraph * Sign language, used by deaf persons * Slovene language (ISO 639-1 code "sl")

Science, technology, and mathematics

Biology

* ''Sensu#Examples in practical taxonomy, Sensu lato'', a term used in taxonomy to mean "in the wider sense" of a definition * Standard length, a common measurement for fish * Abbreviation for × Sophrolaelia, × ''Sophrolaelia'', an orchid genus

Computing

* sl, a humorous command in some Unix-based systems that draws an animation of a steam locomotive, intended to be invoked as a typo of ls * .sl, the country code top-level domain for Sierra Leone * SL (complexity), a class of computational complexity * Scientific Linux, a Linux distribution * Wireless Application Protocol, Service Loading, a variant of WAP push method

Mathematics

* SL (complexity), a class of computational complexity * sl (elliptic function), sine lemniscate function * Special linear group in mathematics, denoted SL_n * Special linear Lie algebra, denoted

\mathfrak_n(F)

\mathfrak(n, F)

Other uses

* Serjeant-at-law, a former type of barrister in England and Ireland * ''Sine loco'' in bibliographies means that place of publication is unknown