| RETS | Remote Engagement Target System (US Marine Corps) | 远程交战目标系统（美国海军陆战队） |
| RETS | Remote Encoded Target System | 远程编码目标系统 |
| RETS | Remoted Target System | 远程目标系统 |
| RETS | Remote Target System | 远程目标系统 |
| RETS | Rahn-End tidal sampler | Rahn End潮汐取样器 |
| RETS | Real Estate Transaction Standard | 房地产交易标准 |
| RETS | Rocket Engine Test Stand | 火箭发动机试验台 |
| RETS | Radar Extractor and Tracker System | 雷达提取和跟踪系统 |
| RETS | Regimental Enhanced Training Section | 团强化训练科 |