XL or variants may stand for:
The XLR connector is a style of electrical connector, primarily found on professional audio, video, and stage lighting equipment.
The XL Center (originally known as the Hartford Civic Center) is a multi-purpose arena and convention center located in downtown Hartford, Connecticut.
XL Recordings is a British independent record label founded in 1989 by Tim Palmer, Nick Halkes. It is run and co-owned by Richard Russell since 1996. It forms part of the Beggars Group.
XL ("eXtensible Language") is the first and so far the only computer programming language designed to support concept programming.XL features programmer-reconfigurable syntax and semantics.
XL Airways France, formerly Star Airlines, was a French airline with its head offices on the grounds of Paris-Charles de Gaulle Airport.
XL Capris were an Australian indie-punk band formed in Sydney in 1978 by Julie Anderson (aka Nancy Serapax), Tim Gooding (aka Errol Cruz), Johanna Pigott (aka Alligator Bagg), and Kimble Rendall (aka Dag Rattler).Their best known single was a punk version of Tommy Leonetti's "My City of Sydney" (1979).