| Abbreviation | Definition |
|---|---|
| RSPH | Rutgers School of Public Health |
| RSPL | Radar Signal Processing Laboratory |
| RSPL | Robust Speech Processing Laboratory |
| RSR | Region Student Representative |
| RSRG | Reusable Software Research Group |
| RSS | Room Scheduling System |
| RSSI | Russian Space Science Internet |
| RSSSF | Rural Social Sciences Scholarship Fund |
| RST | Run Student Tests |
| RSTU | Rivne State Technical University (Ukraine) |
| RSTU | Rostov State Transport University (Russian university) |
| RSUH | Russian State University for the Humanities |
| RSVP | Register Students Via Phone |
| RSVP | Reserve Space for Visions of Possibilities |
| RSVP | Responsible Student Volunteer Program |
| RSVP | Retired and Senior Volunteer Program |
| RSVP | Rice Student Volunteer Program |
| RT | Rhodes Tower (formerly University Tower, Cleveland State University) |
| RTA | Ready To Apply |
| RTAC | Regional Technology Assistance Center |