| RPSS | Ryukyu Philatelic Specialists Society | 琉球集邮专家协会 |
| RPSS | Ryukyu Philatelic Specialist Society, Ltd. | 琉球集邮专家协会。 |
| RPSS | Redundant Power Supply System | 冗余电源系统 |
| RPSS | Research Protocol Safety Survey | 研究方案安全调查 |
| RPSS | Remote Proposal Submission System | 远程提案提交系统 |
| RPSS | Reverse Proxy Security Server | 反向代理安全服务器 |
| RPSS | Retail Performance Support System | 零售绩效支持系统 |
| RPSS | Remote Proposal Support System (NASA) | 远程提案支持系统（NASA） |
| RPSS | Resource Planning & Scheduling Subsystem | 资源规划和调度子系统 |
| RPSS | Routing Policy System Security | 路由策略系统安全 |
| RPSS | Ricoh Printing Systems Singapore | 理光印刷系统新加坡 |
| RPSS | Resonance Peak Spectral Splitting | 共振峰谱分裂 |
| RPSS | Rank Probability Skill Score | 排名概率技能得分 |
| RPSS | Registry of Professional Soil Scientists | 专业土壤科学家注册处 |
| RPSS | Ranked Probability Skill Score | 排名概率技能得分 |