| Acronym | Definition |
|---|
| RTSS | Real-Time Systems Symposium |
| RTSS | Real Time Subsystem |
| RTSS | Resource Time Sharing System |
| RTSS | Réseau de Télécommunications Sociosanitaire (French: Quebec Health Computing Network) |
| RTSS | Residential Telephone Service Survey (Canada) |
| RTSS | Real Time Software Solutions |
| RTSS | Real-Time System Simulator |
| RTSS | Realtime Surgical Services (New York) |
| RTSS | Real Time Simulation System |
| RTSS | Real Time Supportability System |
| RTSS | Red Telephone Switching System |
| RTSS | Remote Transmit Selector System |
| RTSS | Remote Transfer Switching System |