T55 may refer to:
Aviation
edit- de Havilland Vampire T.55, a British-built trainer
- English Electric Lightning T.55, a British-built trainer
- Honeywell T55, a turboshaft engine
- Slingsby T.55 Regal Eagle, a British record-setting glider
Other uses
edit- T-55, a Soviet tank
- Bestune T55, a Chinese crossover utility vehicle
- Cooper T55, a Formula One racing car
- Utility Vehicle, Tracked, Infantry, T55, an American prototype armored personnel carrier