X20 or X-20 can refer to:

Consumer electronics Fujifilm X20, a digital compact camera iRiver X20, a portable media player ThinkPad X20, a laptop

Rail Mihara Station (station code: JR-X20), in Hiroshima Prefecture, Japan South African type X-20 water tender TGOJ X20, a Swedish electric train

Other uses X20 (album), a 2007 album by Suicide Commando X20 (New York City bus) Boeing X-20 Dyna-Soar, a United States Air Force spaceplane program Toyota Mark II (X20), a two-door coupé X20, a British X-class submarine

See also

Jet X2O, computer game X²O Badkamers Trophy, a Belgian cyclo-cross series