| Rosalva | | - | Spanish | |
| Rosario | | ro-SAH-ryo (Spanish), ro-ZAH-ryo (Italian) | Spanish, Italian | |
| Rosenda | | - | Spanish | |
| Rosendo | | - | Spanish | |
| Rosita | | ro-SEE-tah | Spanish | |
| Roxana | | rahk-SAN-ə (English), rok-SAHN-ah (Spanish) | English, Spanish, Romanian, Ancient Greek (Latinized) | |
| RubÉN | | roo-BEN | Spanish | |
| Rufina | | - | Russian, Spanish, Ancient Roman | |
| Rufino | | roo-FEE-no (Italian, Spanish) | Italian, Spanish, Portuguese | |
| Ruperta | | roo-PER-tah | Spanish | |
| Ruperto | | roo-PER-to | Spanish | |
| Rut | | ROOT (Spanish) | Spanish, Icelandic, Swedish, Hebrew, Biblical Hebrew | |
| Ruth (1) | | ROOTH (English), ROOT (German) | English, German, Dutch, Swedish, Norwegian, Danish, Spanish, Biblical, Biblical Latin | |
| Ruy | | - | Portuguese, Spanish | |