T4
| Acronym | Definition |
|---|---|
| T4 | Terminator 4 (movie) |
| T4 | Thyroxine (thyroid hormone) |
| T4 | Tekken 4 (video game) |
| T4 | Topological Space (mathematics; topology) |
| T4 | Ten-Four |
| T4 | Turbocharged 4 cylinder (Volvo) |
| T4 | Teens and Teachers Teaming for Technology |
| T4 | T-carrier 4 (digital transmission line, 274.176 Mbps, 4032 voice channels) |
| T4 | Tekken Tag Team Tournament (video game) |