| Term | Full Form | Category |
|---|---|---|
| TTRA | T T Riders Association | Others |
| TTRA | Taconite Tax Relief Area | Others |
| TTRA | Technology Targeting Risk Assessment | Others |
| TTRA | The T T Riders Association | Others |
| TTRA | The TT Riders Association | Others |
| TTRA | Today's Treasures Rescue and Adoption | Others |
| TTRA | Travel and Tourism Research Association | Others |
| TTRA | Travel Transportation Reform Act | Others |
| TTRA | Triangle Technical Recruiters Association | Others |
| TTRA | Tripoli Tampa Rocketry Association | Others |