| Abbreviation | Definition |
|---|---|
| RRR | Reform, Relief, Recovery |
| RRR | Risk Retention Reporter |
| RRTC | Road Running Technical Council |
| RRV | Resident Return Visa |
| RS | Real Sneaky |
| RS | Recommended Standards |
| RSA | Radiation Safety Academy |
| RSA | Regional Support Administrator |
| RSA | Rehabilitation Services Administration |
| RSA | Revised Statute Annotations |
| RSB | Reporting Services Branch |
| RSCN | Regional Security Cooperation Network |
| RSDI | Retirement Survivors And Disability Insurance |
| RSL | Research Status Log |
| RSOP | Resultant Set Of Policies |
| RSOP | Resultant Set Of Policy |
| RSP | Reality Signal Processor |
| RSR | Regulatory And Statistical Return |
| RSRD | Regulatory Standards and Research Division |
| RSVP | Retired and Senior Volunteer Program |