SL may refer to:
Arts and entertainment
*
SL (rapper), 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
*
Leica SL, 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 (IATA code SL), a Brazilian airline
*
Salt Lake City Southern Railroad (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 aksjeselskap, limited company owned by the Akershus county municipality, the Oslo, Ci ...
, 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
Sierra Leone, officially the Republic of Sierra Leone, is a country on the southwest coast of West Africa. It is bordered to the southeast by Liberia and by Guinea to the north. Sierra Leone's land area is . It has a tropical climate and envi ...
, in West Africa, ISO 3166 code
*
Saarland, a state of Germany
*
SL postcode area of the United Kingdom
*
Sungai Long, in Selangor, Malaysia
*
Sri Lanka
Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, ...
, an island country in South Asia
Language
*
Sl (digraph), a Latin-script digraph
*
Sign language
Sign languages (also known as signed languages) are languages that use the visual-manual modality to convey meaning, instead of spoken words. Sign languages are expressed through manual articulation in combination with #Non-manual elements, no ...
, used by deaf persons
*
Slovene language
Slovene ( or ) or Slovenian ( ; ) is a South Slavic languages, South Slavic language of the Balto-Slavic languages, Balto-Slavic branch of the Indo-European languages, Indo-European language family. Most of its 2.5 million speakers are the ...
(ISO 639-1 code "sl")
*
Sl, a letter in the Proto-Canaanite abjad
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 fish anatomy, their anatomies, for data used in many areas of ichthyology, including Taxonomy (biology), taxonomy and fishery biology.
Overall length
Standard length (SL) is ...
, 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, the country code top-level domain for Sierra Leone
*
SL (complexity), a class of computational complexity
*
Scientific Linux, a Linux distribution
*
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'' or SL(''n'')
*
Special linear Lie algebra, denoted
or
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
*
Southern League (New Zealand), association football league in New Zealand
*
Sublingual administration of medicine
* Surround Left (SL) speaker on a
5.1 surround sound setup
See also
*
*
LS (disambiguation)
*
SLS (disambiguation)
{{disambiguation