GTR
The abbreviation GTR stands for:
- Govia Thameslink Railway , railway company in England
- Graphical calculator
- Grand Trunk Railway , former railroad company in Canada and the United States
- GTR (band) , a rock band
- GTR (game series) , a racing game simulation
- GTr51 , an earlier type of Swiss trolleybus
- an earlier pseudonym of Gareth Emery
- Kawasaki GTR 1000 (1986-2004), a sports touring motorcycle
- Kawasaki 1400GTR , a sport touring motorcycle
- Guided Tissue Regeneration , a dental method of tissue regeneration
GT-R stands for:
- Nissan GT-R , a sports car produced by the Japanese automaker Nissan