| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| ROGER | RAH-jər (English), ro-ZHE (French) | English, French, Catalan, Swedish, Norwegian, Danish, German, Dutch | ||
| ROGHAYEH | - | Persian | ||
| ROGIER | ro-KHEER | Dutch | ||
| ROHAN (1) | - | Indian, Hindi, Marathi, Bengali, Kannada | ||
| ROHAN (2) | - | Literature | ||
| ROHESE | - | Medieval English | ||
| ROHESIA | - | Medieval English (Latinized) | ||
| ROHIT | - | Indian, Hindi, Marathi, Bengali, Odia, Gujarati, Kannada, Telugu, Nepali | ||
| ROI (1) | - | Galician | ||
| ROI (2) | - | Hebrew | ||
| ROIBEÁRD | - | Irish | ||
| ROIMATA | - | Maori | ||
| ROK | - | Slovene | ||
| ROKO | - | Croatian | ||
| ROKSANA | rawk-SAH-nah (Polish) | Russian, Polish |