| Abbreviation | Definition |
|---|---|
| TBJ | The Bowhunter's Journal |
| TBR | Team Beef Roast |
| TBR | Total Baseball Ranking |
| TBRA | Tennessee Bicycle Racing Association |
| TBS | Tie Breaker Score |
| TBS | Turn Based Strategy |
| TBSA | Top Brazilian Sports Academy |
| TBT | Total Body Training |
| TBU | TeaBaggers United |
| TBU | Truth Be United Wrestling |
| TC | Tai Chi |
| TC | Technical Contact |
| TC | Tekken Central |
| TC | Thigh Circumference |
| TC | Tiemco Cut |
| TC | Tour Chrome |
| TC | True Crew |
| TCA | Treasure Coast Allstars |
| TCAS | Tri-Cities Academy of the Sword |
| TCBB | Tennis Club de Boulogne Billancourt |