| Acronym | Definition |
|---|
| USAR➣Urban Search And Rescue |
| USAR➣United States Army Reserve |
| USAR➣USS Arizona Memorial (US National Park Service) |
| USAR➣United Speed Alliance Racing |
| USAR➣Uniform System of Accounts for Restaurants |
| USAR➣Updated Safety Analysis Report |
| USAR➣UAV System Airworthiness Requirements (French DGA) |