| Abbreviation | Definition |
|---|---|
| TRON | Ticketing Response Operations Network |
| TRU | The Real Untouchables |
| TRUST | Tennessee Rehabilitation Utilizing State Training |
| TRUST | Tobacco Reduction Using The Settlement The Trust |
| TS | Trainee Solicitor |
| TSA | Taking Scissors Away |
| TSA | They'll Steal Anything |
| TSB | Timed Stink Bomb |
| TSCA | Toxic Substances Control Act |
| TSR | Term of Supervised Release |
| TSR | They Sue Regularly |
| TSSA | Technical Standards and Safety Act (Ontario) |
| TSW | Team Smith and Wesson |
| TTE | Taxes, Trusts, and Estates |
| TTE | Time To Execution |
| TTF | Tactical Task Force |
| TTF | Terrorism Task Force |
| TTS | Ticket Tracking System |
| TTT | Telling The Truth |
| TTT | Two Tone Truck |