RTSR
| Acronym | Definition |
|---|---|
| RTSR | Red Tearstone Ring (gaming) |
| RTSR | Radio Télévision Suisse Romande (French: Radio Television Swiss Romande; public television, Switzerland) |
| RTSR | Release to Service Recommendations |
| RTSR | Relative Total Shareholder Return |
| RTSR | Residential Time Summary Report (Washington) |
| RTSR | Ride the Sainted Rhythms (message board) |
| RTSR | Regional Transportation Statistical Report (New York Metropolitan Transportation Council) |