| Abbreviation | Definition |
|---|---|
| TABS | Technique, Attitude, Balance, and Speed |
| TAC | Total Allowed Catches |
| TAC | Triple A Chicago |
| TAC | Trousdell Aquatics Center |
| TADS | Text Adventure Development System |
| TAF | Tiger Athletic Foundation |
| TAFD | Tennis Academy Franco Damiano |
| TAG | Take And Give |
| TAIHO | Tennessee Association of Ice Hockey Officials |
| TALON | Teaching Athletes Leadership Opportunities Now |
| TAM | Transports de l'agglomération de Montpellier |
| TANC | Tennis Academy of North Carolina |
| TANK | Training Athletes Neuro Kinetically |
| TARP | Tarpaulin |
| TAS | Tool-Assisted Speedrun |
| TASC | Tuesday Afternoon Shooting Club |
| TASS | Talented Athletes' Scholarship Scheme |
| TASS | Tarboro Association of Saltwater Sportsman |
| TAST | Tsunami Aquatics Swim Team |
| TAV | The Adrenaline Vault |