| Rupert | | RUY-pərt (Dutch), ROO-pərt (English), RUW-pert (Polish) | German, Dutch, English, Polish | |
| Ruperta | | roo-PER-tah | Spanish | |
| Ruperto | | roo-PER-to | Spanish | |
| Rupinder | | - | Indian (Sikh) | |
| Rurik | | - | Russian | |
| Ruslan | | roo-SLAHN (Russian) | Russian, Tatar, Bashkir, Ukrainian, Belarusian, Kazakh, Kyrgyz, Uzbek, Azerbaijani, Ossetian, Cheche | |
| Russ | | RUS | English | |
| Russel | | RUS-əl | English | |
| Russell | | RUS-əl | English | |
| Rusty | | RUS-tee | English | |
| Rut | | ROOT (Spanish) | Spanish, Icelandic, Swedish, Hebrew, Biblical Hebrew | |
| Ruta | | RUW-tah | Polish | |
| Rute | | - | Portuguese | |
| Rutendo | | - | Southern African, Shona | |
| Ruth (1) | | ROOTH (English), ROOT (German) | English, German, Dutch, Swedish, Norwegian, Danish, Spanish, Biblical, Biblical Latin | |