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 The Slingsby T.38 Grasshopper is a British primary training glider built by Slingsby Sailplanes for the Royal Air Force.Hardy 1982, p. 115. Development The design is based on the pre-World War II German SG 38 Schulgleiter, modified to use t ...

, 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 T.38 is an ITU recommendation for allowing transmission of fax over IP networks (FoIP) in real time. History The T.38 fax relay standard was devised in 1998 as a way to transport faxes across IP networks between existing Group 3 (G3) fax ter ...

, an ITU-T recommendation *

Cooper T38 The Cooper T38, also known as the Cooper-Jaguar, is a lightweight sports car designed and developed by Cooper Cars for motor racing in 1955. It was entered in the 1955 24 Hours of Le Mans, being driven by Peter Whitehead and Graham Whitehead, but ...

, 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 The TACAM T-38 (''Tun Anticar pe Afet Mobil T-38'' – "Anti-tank gun on T-38 mobile gun carriage") was a tank destroyer design proposed to be built in Romania during World War II. It was supposed to be a successor of the similar TACAM R-2, but ...

, a Romanian tank destroyer {{Letter-NumberCombDisambig