T56
T56 or T-56 may refer to:

 Allison T56, a turboprop aircraft engine
 Borg-Warner T-56 transmission, an automotive transmission
 Cooper T56, a British racing car
 Type 56 assault rifle, a Chinese assault rifle
 Utility Vehicle, Tracked, Infantry, T56, an American armored personnel carrier prototype
 Type 56 armored personnel carrier, a Chinese armored personnel carrier derived from the BTR-152