UT1 may refer to:

• a form of Universal Time
• a version of Unreal Tournament
• Ultra Trencher 1, submersible robot
• UT1 (Ukraine), television station
• University of Toulouse 1, a French university
• UT1, One of the four telescopes making up the VLT
• Urea Transporter Type A1, a renal membrane transport protein

UT-1 may refer to:

• Yakovlev UT-1 a training aircraft built in the Soviet Union
• The abbreviation for Utah's 1st congressional district
• The Cadet UT-1, an American high-wing prototype glider

See also

UT (disambiguation)