| Abbreviation | Definition |
|---|---|
| RIY | Reduction in yield |
| RIY | Riyadhs |
| RIYL | Read if you like |
| RIYL | Recommended If You Like |
| RIYONI | Strict Standards |
| RIYT | Regret In Your Tears |
| RIZ | Radio Industrija Zagreb |
| RIZAAN | Rizaa rizaa |
| RJ | Rain Junior |
| RJ | Rakesh Juhnjuhn |
| RJ | Really Jolly |
| RJ | Really Jollyhttp |
| RJ | Red Junior |
| RJ | Reform Judaism |
| RJ | Registered Ja |
| RJ | Registered Jacks |
| RJ | Registered Jeweler |
| RJ | Rein Jandrei |
| RJ | Remy Jr |
| RJ | Rim Job |