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 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" 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 OL Lyonnes, the women's football section of the above club OL Reign, the name of the American women's soccer team now known as Seattle Reign FC when it was primarily owned by the parent company of Olympique Lyonnais Offensive lineman, a player who plays on the offensive line of scrimmage in American football Olympique Lillois, formerly a French association football club

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 Old Lorettonians, alumni of Loretto School, Scotland Ol Chiki script, writing script for Santali language Ol Onal script, writing script for Bhumij language Singapore-Cambridge GCE Ordinary Level, a standardized examination in Singapore Orange Lodge, a local branch of the Orange Order.

See also

O1 (disambiguation) OI (disambiguation) 0I (disambiguation) 0L (disambiguation) 01 (disambiguation)