| Rudo | | - | Southern African, Shona | |
| Rudolf | | ROO-dawlf (German), RUW-dawlf (Polish) | German, Dutch, Swedish, Norwegian, Danish, Polish, Czech, Hungarian, Slovene, Croatian, Russian, Arm | |
| Rufaro | | - | Southern African, Shona | |
| Rufina | | - | Russian, Spanish, Ancient Roman | |
| Rufinus | | - | Ancient Roman | |
| Rufus | | ROO-fəs (English) | Ancient Roman, English, Biblical | |
| Ruh | | - | Arabic | |
| Rumbidzai | | - | Southern African, Shona | |
| Rumen | | ROO-men | Bulgarian, Macedonian | |
| Rumena | | - | Bulgarian, Macedonian | |
| Rupert | | RUY-pərt (Dutch), ROO-pərt (English), RUW-pert (Polish) | German, Dutch, English, Polish | |
| Ruprecht | | - | German (Archaic) | |
| Ruqayya | | - | Arabic | |
| Ruqayyah | | - | Arabic | |
| Ruslan | | roo-SLAHN (Russian) | Russian, Tatar, Bashkir, Ukrainian, Belarusian, Kazakh, Kyrgyz, Uzbek, Azerbaijani, Ossetian, Cheche | |