GTS may refer to:
Organisations Game Technology Solutions, a Sri Lankan game development studio Game Theory Society, a society for the promotion of research, teaching and application of game theory Global Trading Systems, an American proprietary trading and market making firm Good Thinking Society, a British skeptical organisation Global Telecommunications System, the communication system for meteorological data
Education General Theological Seminary, in New York City, US Grace Theological Seminary, in Winona Lake, Indiana, US Great Torrington School, in Devon, England
Transport Gas Turbine Ship, used as a ship prefix Geelong Transit System, in Victoria, Australia The Granites Airport (IATA airport code), Northern Territory, Australia Gran Turismo Special, or Gran Turismo Spider, or Gran Turismo Sport, a grand tourer appellation used by several automobiles, including: Dodge Viper GTS Farboud GTS Ferrari 330 GTS Ferrari 365 GTS HSV GTS Lightning GTS Toyota 86 GTS Vespa GTS, a scooter manufactured by Piaggio under the Vespa brand GTS models, of the Porsche 911 GTS models, of the Porsche Boxster and Cayman GTS Rail Operations
Science and technology GeForce2 GTS, a model of GPU marketed by Nvidia Geologic time scale, a system of chronological dating that relates geological strata to time Gilles de la Tourette syndrome, or Tourette's syndrome, a neurodevelopmental disorder GNU Triangulated Surface, a library of algorithms for handling surface meshes; see Geometric modeling kernel Global Telecommunications System, a global network for the transmission of meteorological data Green Tobacco Sickness, a type of nicotine poisoning
Other uses Go to Sleep (wrestling), a professional wrestling attack Grand Touring Supreme, a category in the IMSA GT Championship Greenwich Time Signal, a series of six short tones broadcast at one-second intervals by many BBC Radio stations GTS/BKN, a television channel in South Australia Giant tiny sex, fetish subculture slang for macrophilia Gran Turismo Sport, a video racing game released in 2017