| 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) |