| Abbreviation | Definition |
|---|---|
| RPZ | Residential Parking Zone |
| RQ | Rephrase Question |
| RQN | Ray, Quinney, & Nebeker |
| RR | Rationalize Regulation |
| RRB | Rational Reason to Believe |
| RRB | Reiner, Reiner, & Bendett, PC |
| RRB | Robert R. Blair, Attorney at Law |
| RRCI | Rapid Root Cause Investigation |
| RRD | Required Reply Date |
| RRJ | Rappahannock Regional Jail |
| RRT | Rapid Response Team |
| RRT | Regional Response Team |
| RRU | Rapid Response Unit |
| RRU | Rehabilitation Review Unit |
| RRV | Rapid Response Vehicle |
| RRX | Russian Roulette, X number of rounds |
| RS | Referencing String |
| RS | Running Scared |
| RSA | Registered Sex Offender |
| RSA | Revised Statutes Annotated |