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.
XL Recordings is a British independent record label founded in 1989 by Tim Palmer and Nick Halkes; it is run and co-owned by Richard Russell since 1996. It forms part of the Beggars Group.
The XL Center (originally known as the Hartford Civic Center) is a multi-purpose arena and convention center located in downtown Hartford, Connecticut.
XL Airways France, formerly Star Airlines, is a French airline with its head offices on the grounds of Paris-Charles de Gaulle Airport.
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.
Xlendi is a village in Malta situated in the south west of the island of Gozo. It is surrounded by the villages of Munxar, Fontana and Kerċem.