XL or variants may stand for:
Arts and entertainment XL Recordings, a British independent record label XL, a character in the animated series Buzz Lightyear of Star Command
Businesses and organizations Transportation XL Airways France, a French airline XL Airways Germany, a German charter airline XL Leisure Group, a major United Kingdom tour operator, which ceased operations in 2008 XL Airways UK, a defunct British airline which was part of XL Leisure Group LAN Ecuador (IATA airline code XL)
Other businesses and organizations XL Axiata, an Indonesian mobile phone network operator XL Center, a civic center in Hartford, Connecticut, United States now known as PeoplesBank Arena XL Cola, a Swedish soft drink XL Group, a financial services company headquartered in Ireland with executive offices in Bermuda Excel Esports, a British esports organization (shortened name is "XL") North Texas Intermediate Sanctions Facility, a privately operated prison facility (TDCJ shorthand is "XL")
Science and technology XL (programming language), a programming language designed to support concept programming Weather Star XL (also known as just XL), a computer used by The Weather Channel for local forecasts XL, inductive reactance, a property of an inductor
Other uses Excess-of-loss reinsurance, a particular non-proportional type of reinsurance contact 40 (number) in Roman numerals XL, or Extra large, a clothing size
See also Excel (disambiguation)