TCU
- TCU Horned Frogs
- Taguig City University
- Tanzania Commission for Universities
- Tauranga City United
- Telecommunication control unit
- Telematic control unit
- Texas Christian University
- The Twisted Childhood Universe
- Thompson/Center Ugalde
- Tianjin Chengjian University
- Tokyo Christian University
- Tokyo City University
- Towering cumulus cloud
- Transitional care
- Transmission control unit
- Transportation Communications Union
- Triangle Credit Union
- Tribal colleges and universities
- Tribunal de Contas da União
- Turn construction unit
- Tzu Chi University