GTR

• Great River Railroad, in Mississippi, US
• Grand Trunk Railway, a defunct North American railway
• Golden Triangle Regional Airport (IATA and FAA LID codes), serving Columbus, Mississippi, US
• Govia Thameslink Railway, a British railway operator
• GTR Euroseries, a short-lived European auto racing series
• Global Technical Regulations, a 1998 multinational agreement regarding vehicle regulations

• Gran Turismo (racing), a type of sports car
• BMW M3 GTR
• Holden Torana GTR
• Isuzu Bellett GT-R
• Mazda Familia GT-R
• McLaren F1 GTR
• McLaren P1 GTR
• McLaren Senna GTR
• Mercedes-AMG GT R
• Mercedes-Benz CLK GTR
• Nissan Skyline GT-R
• Nissan GT-R
• Porsche 718 GTR Coupe Prototype 1962
• Porsche 924 Carrera GTR
• Toyota Celica 2000 GTR
• Ultima GTR
• Ford Mustang GT-R Concept car

• General theory of relativity, also known as General relativity, in physics
• Generalised time reversible, in biology
• Guided tissue regeneration, in dentistry

• GTR – FIA GT Racing Game, a video game
• GTR Evolution, a video game
• GTR Group, owner of the defunct video game company Mad Catz

• GTR (band), a British rock band
• GTR (album), their sole official studio album
• Gateway to Research (Gtr), UK research information portal
• GTR-18 Smokey Sam, an American SAM training rocket
• Green tree reservoir, flooded forest land

• GT (disambiguation)

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