| Robertina | | - | Italian, Spanish | |
| Roberto | | ro-BER-to (Italian, Spanish) | Italian, Spanish, Portuguese | |
| RocÍO | | ro-THEE-o (Spanish), ro-SEE-o (Latin American Spanish) | Spanish | |
| Rodolfito | | - | Spanish | |
| Rodolfo | | - | Italian, Spanish, Portuguese | |
| Rodrigo | | ro-DREE-go (Spanish, Italian), roo-DREE-goo (Portuguese) | Spanish, Portuguese, Italian, Galician | |
| Rogelio | | ro-KHE-lyo | Spanish | |
| Rolando | | ro-LAHN-do (Spanish) | Spanish, Italian, Portuguese | |
| RoldÁN | | - | Spanish | |
| Roque | | RO-ke (Spanish) | Spanish, Portuguese | |
| Rosa (1) | | RO-sah (Spanish, Dutch), RAW-zah (Italian), RO-zə (English) | Spanish, Italian, Portuguese, Swedish, Norwegian, Danish, Dutch, German, English | |
| RosalÍA | | - | Spanish, Galician | |
| Rosalia | | ro-zah-LEE-ah (Italian) | Italian, Spanish, Portuguese, Late Roman | |
| Rosalina | | ro-sah-LEE-nah (Spanish) | Portuguese, Spanish | |
| Rosalinda | | ro-sah-LEEN-dah (Spanish), ro-zah-LEEN-dah (Italian) | Spanish, Italian | |