| Abbreviation | Definition |
|---|---|
| TAP | Talent, Ashland, and Phoenix, Oregon |
| TAPP-C | The Arson Prevention Program for Children |
| TAU | Threat Assessment Unit |
| TB | Tampa Bay |
| TB | travelers' bungalow |
| TBEA | Tennessee Business Education Association |
| TBI | Tennessee Bureau of Investigation |
| TBRA | Tenant Based Rental Assistance |
| TBTC | Tennessee Bureau of TennCare |
| TBTF | Tampa Bay Technology Forum |
| TC | Tentative Consensus |
| TC | Tishomingo County |
| TC | tobacco control |
| TC | Town Council |
| TC | Twin Cities |
| TCA | Tax Code Area |
| TCA | Tennessee Code Annotated |
| TCDHC | Tri-County Dental Health Council |
| TCEDD | Tri-County Economic Development District |
| TCEQ | Texas Commission on Environmental Quality |