| Abbreviation | Definition |
|---|---|
| RH | Robert Hatton |
| RH | Robert Holmes |
| RH | Robin Hood |
| RH | Rubeus Hagrid |
| RH | Russell Hays |
| RHJ | Robert Hope-Jones |
| RHK | Royal Honor Knights |
| RHM | Robert Hunter Middleton |
| RHW | Robert Hewitt Wolfe |
| RIN | Rin Tin Tin |
| RJ | Randy Jacobs |
| RJ | Richard Johnson |
| RJ | Rick James |
| RJ | Robert Johnson, Professor and Historian |
| RJ | Rory Jones, South African soccer player |
| RJH | R. John Hansman |
| RJS | Rocket J. Squirrel |
| RKO | Randal Keith Orton, Professional wrestler |
| RL | Ralph Lauren |
| RL | Robert Lawrence |