| Renata | | re-NAH-tah (Italian, Spanish, German, Polish) | Italian, Spanish, Portuguese, German, Polish, Czech, Croatian, Slovene, Late Roman | |
| Renato | | re-NAH-to (Italian, Spanish) | Italian, Spanish, Portuguese, Croatian | |
| Roko | | - | Croatian | |
| Roman | | rah-MAHN (Russian), RAW-mahn (Polish) | Russian, Polish, Czech, Slovak, Ukrainian, Slovene, Croatian, German | |
| Romana | | - | Italian, Polish, Slovene, Croatian, Czech, Slovak, Late Roman | |
| Rozalija | | - | Lithuanian, Slovene, Croatian, Macedonian | |
| Rozika | | - | Croatian | |
| RuŽA | | ROO-zhah | Croatian, Serbian | |
| RuŽIca | | - | Croatian | |
| Rudolf | | ROO-dawlf (German), RUW-dawlf (Polish) | German, Dutch, Swedish, Norwegian, Danish, Polish, Czech, Hungarian, Slovene, Croatian, Russian, Arm | |
| SaŠA | | - | Croatian, Serbian, Slovene | |
| Sabina | | sah-BEE-nah (Italian, Spanish, Polish) | Italian, Spanish, Portuguese, Romanian, Polish, Czech, Slovene, Russian, Croatian, Ancient Roman | |
| Sanda | | - | Romanian, Croatian | |
| Sandi | | - | Croatian, Slovene | |
| Sanel | | - | Croatian | |