| Rowan | Unisex | English Names |
| Rowanne | Woman | American Names |
| Rowdy | Unisex | American Names |
| Rowe | Unisex | English Names |
| Rowena | Woman | English Names |
| Roxanna | Woman | Persian Names |
| Roxanne | Woman | English Names |
| Roxie | Woman | American Names |
| Roxy | Woman | American Names |
| Roy | Man | Scottish Names |
| Royal | Unisex | English Names |
| Royalty | Unisex | English Names |
| Royce | Man | English Names |
| Royko | Unisex | Slavic Names |
| Roz | Woman | English Names |
| Roza | Woman | Polish Names |
| Rozalia | Woman | Hungarian Names |
| Rozemarijn | Woman | Dutch Names |
| Rozene | Woman | English Names |
| Ruaidhrà | Man | Irish Names |