| Abbreviation | Definition |
|---|---|
| RI | Ruben Israel |
| RICH | Richard |
| RICK | Richard |
| RIRI | Rihanna |
| RIX | Ricks |
| RIZHI | Rizhi stands for Awesomeness |
| RJ | Rabbi Jeff |
| RJ | Rachel Josephine |
| RJ | Ralph Junior |
| RJ | Rene, Junior |
| RJ | Reverend Jennings |
| RJ | Richard James |
| RJ | Richard Jason |
| RJ | Richard John |
| RJ | Ricky Junior |
| RJ | Robert John |
| RJ | Robert Junior |
| RJ | Rodney James |
| RJ | Roger Jessup |
| RJ | Roger Joseph |