| Abbreviation | Definition |
|---|---|
| RRR | Relative Risk ReductionRisk Reduction Report |
| RRR | Rural, Remote, and Regional |
| RRV | Raccoon River Valley |
| RS | Revised Statutes |
| RSA | Retirement System of Alabama |
| RSBP | Residential Speed Bump Purchase |
| RSBP | Retirement Systems and Benefits Program |
| RSD | Rural Sanitary District |
| RSF | Rancho Santa Fe |
| RSID | Rural Special Improvement District |
| RSM | Rancho Santa Margarita |
| RSO | Regional Standardization Organization |
| RSOP | Redundant Set Of Policy |
| RSPO | Railway Station Post Office |
| RSRD | Research Services and Regional Division |
| RST | Retail Sales Tax |
| RSU | Rural Settlement Unit |
| RT | Run Time |
| RTA | Regional Transit Administration |
| RTA | Roads and Traffic Authority |