| RTSS | Remote Transmit Selector System | 远程变速器选择器系统 |
| RTSS | Real-Time System Simulator | 实时系统模拟器 |
| RTSS | Real Time Software Solutions | 实时软件解决方案 |
| RTSS | RÉseau de TÉlÉcommunications Sociosanitaire (French: Quebec Health Computing Network) | RÉseau de TÉlÉcommunications Sociosanitaire (French: Quebec Health Computing Network) |
| RTSS | Real Time Simulation System | 实时仿真系统 |
| RTSS | Real-Time Systems Symposium | 实时系统研讨会 |
| RTSS | Residential Telephone Service Survey (Canada) | 住宅电话服务调查（加拿大） |
| RTSS | Remote Transfer Switching System | 远程传输交换系统 |
| RTSS | Real Time Supportability System | 实时保障系统 |
| RTSS | Red Telephone Switching System | 红色电话交换系统 |