| Abbreviation | Definition |
|---|---|
| RNJ | Romeo and Juliet |
| RNJ | Roughneck Joe |
| RON | Ronald McDonald |
| RP | Ralph Patterson |
| RP | Rick Perry |
| RP | Robert Parker |
| RPA | Royal Prince Alfred |
| RPH | Radio Phil Herden |
| RPP | Robert Parker Parrott |
| RR | Reichsleiter Rosenberg |
| RR | Richard Russell |
| RR | Richie Rich |
| RR | Robert Riley |
| RR | Roy Rogers |
| RRW | Robert R. Wolfe, Ph. D. |
| RS | Randall Smith |
| RS | Raymond Smith |
| RS | Ringo Starr |
| RS | Rob Searle, Canadian Member of Parliament |
| RS | Robert Smigel, actor |