TTRA
| Acronym | Definition |
|---|---|
| TTRA | Travel and Tourism Research Association |
| TTRA | Trinidad and Tobago Racing Authority |
| TTRA | Travel and Transportation Reform Act of 1998 |
| TTRA | Tongass Timber Reform Act of 1990 |
| TTRA | Triangle Technical Recruiters Association (North Carolina) |
| TTRA | Thames Traditional Rowing Association (UK) |
| TTRA | Tourist Trophy Riders Association (UK) |
| TTRA | Think Truth Regardless of Appearance |