| Abbreviation | Definition |
|---|---|
| RS | Robert Smith |
| RSB | Rosario S. Bernaldo, founder R. S. Bernaldo & Associates |
| RSJ | Rebecca St. James |
| RSW | Robert Strangways Wrigley (founder of Wirra Wirra) |
| RT | Richard Thomas |
| RT | Rob Tissera |
| RT | Robin Tolleson |
| RT | Rumtum Tugger |
| RTT | Rum Tum Tugger |
| RUC | Robert Uluwehi Cazimero |
| RV | Richard Vangrunsven |
| RV | Robert Vandoren |
| RVG | Rudy Van Gelder |
| RVL | Ronald van Loon |
| RVW | Ralph Vaughan Williams |
| RVW | Rip Van Winkle |
| RVY | Robert Vaughn Young |
| RW | Richard Walker, Photographer |
| RW | Roger Williams |
| RWF | Rainer Werner Fassbinder |