OL may refer to:
Arts and entertainment
*
Orphaned Land, an Israeli progressive metal band
*
Old Lace (comics) a telepathically linked dinosaur hero
Businesses and organizations
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OLT Express Germany (IATA code: OL), a scheduled and charter airline based in Emden in Germany
*
Open Library, an online project intended to create "one web page for every book ever published"
Places
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OL postcode area, for parts of Greater Manchester and Lancashire, surrounding Oldham, England
*
Oulu railway station, Finland (abbreviated OL)
Science and technology
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-ol
The suffix –ol is used in organic chemistry principally to form names of organic compounds containing the hydroxyl (–OH) group, mainly alcohols (also phenol). The suffix was extracted from the word ''alcohol''.
The suffix also appears in some ...
, a suffix for chemical compounds that are alcohols
*
Guillaume-Antoine Olivier, in botanist or zoologist author citations (Ol.)
*
, an HTML tag for creating ordered list elements
* ''
Optics Letters'', a journal published by the Optical Society of America
* A
Unified Soil Classification System symbol for organic silt and/or clay
Sport
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Olympic Games, an international sport event
*
Olympique Lyonnais
Olympique Lyonnais (), commonly referred to as simply Lyon () or OL, is a men and women's French professional football club based in Lyon in Auvergne-Rhône-Alpes. The men play in France's highest football division, Ligue 1. Founded in 1950, th ...
, a prominent French association football club based in Lyon
**
Olympique Lyonnais Féminin, the women's football section of the above club
**
OL Reign, an American women's soccer team primarily owned by the parent company of Olympique Lyonnais
*
Offensive lineman
In gridiron football, a lineman is a player who specializes in play at the line of scrimmage. The linemen of the team currently in possession of the ball are the offensive line, while linemen on the opposing team are the defensive line. A numbe ...
, a player who plays on the offensive line of scrimmage in American football
Other
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Office lady, a low-tier female office worker in Japan
* Old Lancastrians, alumni of
Lancaster Royal Grammar School, England
* Old Lawrentians, alumni of
St Lawrence College, Ramsgate, England
*
Ol Chiki script, writing script for
Santali language
*
Ol Onal script, writing script for
Bhumij language
Bhumij is an Austroasiatic language belonging to the Munda subfamily, related to Ho, Mundari, and Santali, primarily spoken by Bhumij peoples in the Indian states Jharkhand, Odisha and West Bengal. As per the 2011 census, only 27,506 peop ...
{{Disambiguation, geo