GTO

GTO may refer to:

Entertainment

 * Great Teacher Onizuka, a manga, anime, live-action series, and film
 * GameTable Online, a game portal

Music bands

 * GTO (band), an Australian band
 * The GTOs, an American girl group
 * Giraffe Tongue Orchestra, an American band
 * Greater Than One, an English electronic music band

Other music uses

 * GTO: Gangsters Takin' Over, an album by Oran "Juice" Jones
 * GTO Records, a British record label
 * "GTO" (Ronny & the Daytonas song), 1964
 * "GTO" (Sinitta song), 1987

Science and technology

 * Gate turn-off thyristor
 * Gaussian-type orbital
 * Geostationary transfer orbit
 * Golgi tendon organ

Transport

 * Gorton railway station, in Greater Manchester, England
 * Jalaluddin Airport (IATA: GTO) in Gorontalo, Indonesia
 * Grand Touring Over, a category for production cars
 * Gran Turismo Omologata, a model name of several grand tourer automobiles:
 * Ferrari 250 GTO
 * Ferrari 288 GTO
 * Ferrari 599 GTO
 * Pontiac GTO
 * Mitsubishi 3000GT (Mitsubishi GTO in Japan)
 * Mitsubishi Galant GTO
 * HSV GTO

Other uses

 * Geographic targeting order issued by the United States Secretary of Treasury
 * Guanajuato, Mexico
 * Ready for Labour and Defence of the USSR (Russian: Готов к труду и обороне СССР, Gotov k trudu i oborone SSSR), a Soviet physical training programme