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'', a multi-user 3D virtual world * Sensei's Library, 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 ...

, a mirrorless system camera by Leica Camera AG

Business and organizations

* Sociedad Limitada, the Spanish version of a private limited company

Politics

* Serbian Left (''Srpska levica''), a political party in Serbia * Stronnictwo Ludowe, 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 R ...

(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 th ...

, a public transport operator in Akershus, Norway * Storstockholms Lokaltrafik, the public transport operator in Stockholm, Sweden * Thai Lion Air (IATA airline code SL) * Mercedes-Benz SL-Class, 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