| Abbreviation | Definition |
|---|---|
| TPYO | Tucson Philharmonia Youth Orchestra |
| TPZ | TheaterPädagogisches Zentrum |
| TRATS | The Russian Arts Theater Studio |
| TROC | Trocadero Theatre |
| TRP | Telecasting Rare Performance |
| TRRT | Third Rail Repertory Theater |
| TRTF | The Royal Theatrical Fund |
| TS | Theater Style |
| TSOB | The Sound Of Belgium |
| TTD | Thirumala Thirupathi Devastanams |
| TTRP | Theatre Training & Research Programme |
| TTTH | Talk To The Hand |
| TTYD | That Thing You Do! |
| TUCS | Triplicane Urban Co-operative Society |
| TUPAC | Tacoma Urban Performing Arts Center |
| TUTS | Theatre Under The Stars |
| TUX | Tuxedo |
| TVA | The Verbal Artist |
| TVS | Transvestite |
| TWAS | Toronto World Arts Scene |