| RSU | remote subscriber unit | 远端用户单元 |
| RSU | Yosu, South Korea - Yosu Airport (Airport Code) | Yosu,韩国-Yosu机场(机场代码) |
| RSU | Railway Services Unit | 铁路服务股 |
| RSU | Restricted Stock Unit | 限制性股票单位 |
| RSU | Red State Update | 红色状态更新 |
| RSU | Recorder Switch Unit | 记录仪开关单元 |
| RSU | Roller Suspension Unit | 滚筒悬挂装置 |
| RSU | Rogers State University (Claremore, Oklahoma) | 罗杰斯州立大学(俄克拉何马州克拉莫尔) |
| RSU | Relay Storage Unit | 继电器存储单元 |
| RSU | Rifiuti Solidi Urbani (Italiano) | 里菲乌提·乌尔班尼(意大利语) |
| RSU | Remote Storage Unit | 远程存储单元 |
| RSU | Remote Set Up | 远程设置 |
| RSU | Riga Stradins University (Riga, Latvia) | 里加Stradins大学(拉脱维亚里加) |
| RSU | Redundancy Switch Unit | 冗余开关单元 |
| RSU | Remote Switching Unit | 远程交换单元 |
| RSU | Runway Supervisory Unit | 跑道监督单位 |
| RSU | Regional Support Unit | 区域支助股 |
| RSU | Rate Sensor Unit | 速率传感器单元 |
| RSU | Receiver Synthesizer Unit | 接收机合成器单元 |
| RSU | Rating Scale Unit | 评级等级单位 |
| RSU | Recommended Service Upgrade (IBM mainframe software management) | 建议的服务升级(IBM大型机软件管理) |
| RSU | Required Service Utilization | 所需服务利用率 |
| RSU | Yosu, Republic of Korea | 大韩民国Yosu |
| RSU | Remote Subscriber Unit (converts CATV frequencies to phone service) | 远程用户单元(将CATV频率转换为电话服务) |
| RSU | Runescape Unlocked (gaming) | Runescape解锁(游戏) |
| RSU | Repair Service & Upgrade (Australia) | 维修服务和升级(澳大利亚) |
| RSU | Recovery Support Unit (UK) | 恢复支持单位(英国) |
| RSU | Rescue Support Umbilical | 救援支持脐带缆 |
| RSU | Rutgers, the State University | 罗格斯州立大学 |
| RSU | Rural Settlement Unit | 农村安置单位 |
| RSU | Radio Shack Unlimited | 无线沙克无限 |
| RSU | rapid support unit (US DoD) | 快速支援部队(美国国防部) |
| RSU | rec.sport.unicycling (newsgroup) | 报告。unicycling(新闻组) |
| RSU | Re Spawners United | 再生育者联合会 |
| RSU | rear support unit (US DoD) | 后方支援部队(美国国防部) |
| RSU | Restraint Strength Understanding | 约束强度理解 |
| RSU | Remote Sensing Unit | 遥感单元 |
| RSU | Ruggedized Service Unit (C-130 aircraft) | 加固服务单元(C-130飞机) |
| RSU | Rappresentanza Sindacale Unitaria (Italian Group of Unions) | Rapresentanza Sindacale Unitaria(意大利工会集团) |
| RSU | Remote Service Unit | 远程服务单元 |
| RSU | resin sponge uptake | 树脂海绵吸收 |
| RSU | Runway Supervisory | 跑道监督 |