UT
- Aion UT
- Microtesla
- Nick Ut
- Solfège
- The San Diego Union-Tribune
- UT (comics)
- UTair Aviation
- Ugly Things
- Ultrasonic testing
- Unbelievable Truth
- Uncle Tupelo
- Undertale
- Union de Transports Aériens
- Union territory
- Unity Technologies
- Universal Time
- Universal translator
- Universidad del Turabo
- Universitas Terbuka
- University of Taipei
- University of Tampa
- University of Tartu
- University of Tehran
- University of Tennessee
- University of Texas System
- University of Texas at Austin
- University of Tirana
- University of Tokushima
- University of Tokyo
- University of Toledo
- University of Toronto
- University of Toyama
- University of Tsukuba
- University of Twente
- University of Utah
- Unorganized territory (disambiguation)
- Unreal Tournament
- Urea transporter
- Ut (band)
- Utah
- Utah Tech University
- Utilitiesman (United States Navy)
- Uttarakhand