| Rostislav | | rahs-tee-SLAHF (Russian) | Russian, Czech, Medieval Slavic | |
| Rostom | | - | Georgian | |
| Roswitha | | - | German | |
| Rothaid | | - | Ancient Germanic | |
| Rouben | | - | Biblical Greek, Armenian | |
| Roxana | | rahk-SAN-ə (English), rok-SAHN-ah (Spanish) | English, Spanish, Romanian, Ancient Greek (Latinized) | |
| Roxane | | rok-SAHN (French), rahk-SAN (English) | French, English, Ancient Greek | |
| RozĀLija | | - | Latvian | |
| RozÁLia | | - | Hungarian | |
| Roza (1) | | RO-zah (Russian) | Russian, Slovene, Bulgarian, Macedonian | |
| Roza (2) | | - | Ancient Germanic | |
| Rozabela | | ro-zah-BE-lah | Esperanto | |
| Rozalia | | - | Polish, Romanian | |
| Rozalija | | - | Lithuanian, Slovene, Croatian, Macedonian | |
| Rozaliya | | - | Russian | |