| Abbreviation | Definition |
|---|---|
| TFTA | Tennesseans For The Arts |
| TFYC | Tobacco- Free Youth Coalition |
| TGAA | Trap Ground Allotments Association |
| TGEN | Translational Genomics Research Institute |
| TGG | The Goathouse Gallery |
| TGIF | Technology Gap Innovation Fund |
| TGIF | The Gifted In Fremont |
| TGIF | The Green Initiative Fund |
| TGY | The Global Youth |
| THAW | The Heat And Warmth Fund |
| THEI | Through His Eyes International |
| THF | Texas Healthcare Foundation |
| THF | Tibet Heritage Fund |
| THH | Therapeutic Horsemanship of Hawaii |
| THIHIC | Texas Heart Institute Heart Information Center |
| THL | The Happy Llama Sanctuary |
| THN | Texas Homeless Network |
| THORN | Thankfully Helping Others' Real Needs |
| THP | The Hickory Project |
| THP | The Hunger Project |