| 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) |