TROA
| Acronym | Definition |
|---|---|
| TROA | The Retired Officers Association (now the Military Officers Association of America) |
| TROA | Truckee River Operating Agreement |
| TROA | Thoroughbred Racehorse Owners' Association (Victoria, Australia) |
| TROA | Time-Resolved Optoacoustic (atmospheric optics) |
| TROA | The Realm of Adventurers (role playing game) |
| TROA | Targeting and Ranking for Online Advertising (Yahoo) |