TC
- .tc
- Air Tanzania
- Carbon
- Chrysler TC by Maserati
- Convective temperature
- Critical temperature
- Curie temperature
- Cytotoxic T-cell
- Lone Star College-Tomball
- Magnum, P.I.
- Mazda C engine
- Northern Iowa Panthers
- Scion tC
- T.C. Bear
- TC (complexity)
- TC (musician)
- TC 2000
- TC Clements
- TC Electronic
- TC Smith
- TC Televisión
- Tahiti Cup
- Take Command (command line interpreter)
- Teachers College, Columbia University
- TechCrunch
- Technetium
- Technological change
- Telecine (copying)
- Telecom Cambodia
- Teleconverter
- Temperature coefficient
- Teracoulomb
- Testicular cancer
- Therapeutic community
- Thompson Creek Metals
- Tierra Comunera
- Timecode
- Tom Caron
- Tom Constanten
- Tonga Cup
- Tony Currie (footballer)
- Top Cat
- Top Combine
- Total Communication
- Total chances
- Total cost
- Traction control system
- Traditional Chinese characters
- Traffic collision
- Transcendental Chess
- Transit center
- Transport Canada
- Transport Canberra
- Traverse City, Michigan
- Trinity College (Connecticut)
- Trinity Cross
- Tropical cyclone
- TrueCrypt
- Trusted Computing
- Turbocharger
- Turing complete
- Turismo Carretera
- Turkey
- Turks and Caicos Islands
- Turn coordinator
- Type certificate
- United States Tax Court
- Video conference
- Xenosaga