| Roi (1) | | - | Galician | |
| Roko | | - | Croatian | |
| Rokus | | RO-kus | Dutch | |
| Roland | | RO-lənd (English), ro-LAWN (French), RO-lawnd (Hungarian) | English, French, German, Swedish, Dutch, Hungarian, Medieval French | |
| Rolande | | - | French | |
| RomÀ | | - | Catalan | |
| Romain | | ro-MEN | French | |
| Romaine | | ro-MEN (French), ro-MAYN (English) | French, English | |
| Roman | | rah-MAHN (Russian), RAW-mahn (Polish) | Russian, Polish, Czech, Slovak, Ukrainian, Slovene, Croatian, German | |
| Romana | | - | Italian, Polish, Slovene, Croatian, Czech, Slovak, Late Roman | |
| Romane | | - | French | |
| Romilda | | - | Italian, Ancient Germanic | |
| Ronald | | RAHN-əld | Scottish, English | |
| Ronalda | | rah-NAWL-da | Scottish | |
| Rong | | - | Chinese | |