| Abbreviation | Definition |
|---|---|
| RVR | Rule Violation Review |
| RVW | Roe Vs. Wade |
| RW | Recovered Wife |
| RWL&W | Roberti, Wittenberg, Lauffer, & Wicker, P. A. |
| RWO | Robinson, Waters, & O'Dorisio |
| RWR | Radar Warning Receiver |
| RWT | Red Wine Trail |
| RWZ | Restricted Weapons Zone |
| RXC | Remote Execution Control |
| RYI | Radical Youth Invasion |
| RYI | Reclaiming Youth International |
| RYM | Real Young Man |
| RYM | Reformed Youth Movement |
| RYN | Reclaiming Youth Network |
| RYO | Roll Your Own |
| RYT | Run, Yell, Tell |
| RYU | Revolutionary Youth Union |
| RZO | Rochester Zoning Ordnance |
| RZO | Ron Z. Opher, Attorney |
| S | Seclusion |