| Abbreviation | Definition |
|---|---|
| TBMCP | The Brazilian Model Cars Page |
| TBPB | Throw Back Parblue |
| TBT | The Black Tattoo |
| TBV | Tampa Bay Vegetarians |
| TBV | Tampa Bay Vettes |
| TCA | Tackle Collectors of Arkansas |
| TCAS | Treasure Coast Archaeological Society |
| TCG | Tradable Card Game |
| TCG | Trading Card Games |
| TCMAA | Thurston County Miniature Aircraft Association (Washington) |
| TDK | Triumphant Death Kite |
| TEA | Tailgaters Extreme Association |
| TEA | The European Avengers |
| TEFC | Top End Flying Club |
| TEN | The Enthusiast Network |
| TERD | Transcendental Eclectic Reconciliatory Dynamism |
| TFCC | The Official Transformers Collectors' Club |
| TFF | Trivia Fun Forum |
| TFH | Tropical Fish Hobbyist |
| TFOL | Teen Fan of Lego |