| UARS | Upper Atmosphere Research Satellite | 高层大气研究卫星 |
| UARS | Upper Airway Resistance Syndrome | 上气道阻力综合征 |
| UARS | Unmanned Air Reconnaissance System | 无人空中侦察系统 |
| UARS | Unmanned Aerial Reconnaissance System | 无人空中侦察系统 |
| UARS | Ultra Accurate Rifle Stock | 超精确步枪枪托 |
| UARS | Underwater Acoustic Recognition System | 水声识别系统 |