T55

T55 may refer to:

Aviation

 * 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

 * 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