OL

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

 * OLT Express Germany (IATA airline code ), 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"
 * OL Groupe (Olympique Lyonnais), a French sporting business holding company

Places

 * OL postcode area, for parts of Greater Manchester and Lancashire, surrounding Oldham, England
 * Oulu railway station, Finland (abbreviated OL)

Science and technology

 * -ol, 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

 * Olympic Games, an international sport event
 * Olympique Lyonnais, 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, a player who plays on the offensive line of scrimmage in American football

Other

 * 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