| Abbreviation | Definition |
|---|---|
| RPC | Randy's Placebo Cocaine |
| RPD | Raccoon Police Department |
| RPD | Raleigh Police Department |
| RPD | Redding Police Department |
| RPD | Reno Police Department |
| RPD | Riverside Police Department |
| RPD | Road Policing Department |
| RPD | Rochester Police Department's |
| RPD | Roswell Police Department |
| RPE | Real Person Erotic |
| RPG | Road Policing Group |
| RPO | Resist Public Officer |
| RPO | Retired Police Officers |
| RPOA | Reserve Police Officers Association |
| RPOA | Riverside Police Officers' Association |
| RPPD | Ridgefield Park Police Department |
| RPPD | Roselle Park Police Department |
| RR | Rafter Rat |
| RSA | Random Sexual Act |
| RSAAF | Royal Saudi Arabian Armed Forces |