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 Bandar Sungai Long is a main township in Cheras, Selangor, Malaysia. Bandar Sungai Long was designed for a population of 10,000 residents. The majority population in this township are Chinese with a minority of Indians and Malays living in this t ...

, in Selangor, Malaysia

Language

Sl (digraph) This is a list of digraphs used in various Latin alphabets. Capitalisation involves only the first letter (''ch'' becomes ''Ch'') unless otherwise stated (''ij'' becomes ''IJ''). Letters with diacritics are arranged in alphabetic order accordin ...

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

Science, technology, and mathematics

Biology

* '' Sensu lato'', a term used in taxonomy to mean "in the wider sense" of a definition *

Standard length Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish m ...

, a common measurement for fish * Abbreviation for × ''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 .sl is the Internet country code top-level domain (ccTLD) for Sierra Leone. Request for use by Somaliland In 2020, the Minister of Telecommunication and Technology of the unrecognized state of Somaliland Somaliland,; ar, صوما� ...

, the country code top-level domain for Sierra Leone * SL (complexity), a class of computational complexity * Scientific Linux, a Linux distribution *

Service Loading A Push Proxy Gateway is a component of WAP Gateways that pushes URL notifications to mobile handsets. Notifications typically include MMS, email, IM, ringtone downloads, and new device firmware notifications. Most notifications will have an audi ...

, a variant of WAP push method

Mathematics

* SL (complexity), a class of computational complexity *

sl (elliptic function) In mathematics, the lemniscate elliptic functions are elliptic functions related to the arc length of the lemniscate of Bernoulli. They were first studied by Giulio Carlo de' Toschi di Fagnano, Giulio Fagnano in 1718 and later by Leonhard Euler ...

, 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