| Acronym | Definition |
|---|
| USRA➣Universities Space Research Association |
| USRA➣United States Railroad Administration |
| USRA➣Undergraduate Student Research Awards (Canada) |
| USRA➣United States Railway Association |
| USRA➣United States Racquetball Association |
| USRA➣United States Racing Association |
| USRA➣United Slot Racers Association |
| USRA➣United States Revolver Association |
| USRA➣United Stockcar Racers Association |