| Abbreviation | Definition |
|---|---|
| QT | Quincy Tallahassee |
| QT | Quintario Talerius |
| QT | Quintullian Terence |
| QTN | Quintin |
| R | Randy |
| R | Ray |
| R | Rei |
| R | Rex |
| R | Richard |
| R | Robert |
| R | Robin |
| R | Roger |
| R | Ronald |
| R | Roy |
| R | Rudolph |
| R2D2 | A robot featured in the Star Wars movie series. |
| RAFE | Rafeal |
| RANCELL | Running And Not Crashing Ever Last Light |
| RANDY | Randolph |
| RAQU | Raquel |