T38 or T-38 may refer to:

Aviation

Allison T38 The Allison T38 (company Model 501) was an early turboprop engine developed by Allison Engine Company during the late 1940s. The T38 became the basis for the very successful family of Allison T56 turboprop engine. Design and development Develop ...

, an American turboprop aircraft engine *

Northrop T-38 Talon The Northrop T-38 Talon is a two-seat, twinjet Supersonic aircraft, supersonic jet trainer designed and produced by the American aircraft manufacturer Northrop Corporation. It was the world's first supersonic trainer as well as the most produced. ...

, an American jet trainer aircraft * Slingsby T.38 Grasshopper, a British training glider

Other uses

T38 (classification) T38 and CP8 are disability sport classification for disability athletics intended for people with cerebral palsy. It includes people who have coordination impairments such as hypertonia, ataxia and athetosis. Runners in this class may appear to ...

, a disability sport classification * T.38, an ITU-T recommendation * Cooper T38, a British sports car *

T-38 tank The T-38 amphibious scout tank was a Soviet amphibious light tank that saw service in World War II. Developed as a modernized version of the earlier T-37A light tank, the T-38 proved to be only a moderate improvement over its predecessor, and ...

, a Soviet light tank * TACAM T-38, a Romanian tank destroyer {{Letter-NumberCombDisambig