| Rochus | | - | German, Dutch, Ancient Germanic (Latinized) | |
| Roderic | | - | Catalan | |
| Rodica | | ro-DEE-kah | Romanian | |
| Rodion | | rah-dee-ON | Russian | |
| Rodolf | | RO-dawlf (German) | German (Rare), Dutch (Rare) | |
| Rodolfito | | - | Spanish | |
| Rodolfo | | - | Italian, Spanish, Portuguese | |
| Rodrigo | | ro-DREE-go (Spanish, Italian), roo-DREE-goo (Portuguese) | Spanish, Portuguese, Italian, Galician | |
| Rodya | | - | Russian | |
| Rogelio | | ro-KHE-lyo | Spanish | |
| Roger | | RAH-jər (English), ro-ZHE (French) | English, French, Catalan, Swedish, Norwegian, Danish, German, Dutch | |
| Roghayeh | | - | Persian | |
| Rohan (1) | | - | Indian, Hindi, Marathi, Bengali, Kannada | |
| Rohit | | - | Indian, Hindi, Marathi, Bengali, Odia, Gujarati, Kannada, Telugu, Nepali | |
| Roi (1) | | - | Galician | |