| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Rio (1) | - | Various | ||
| Rio (2) | ṙee-o | Japanese | ||
| Riordan | - | Irish | ||
| Ripley | RIP-lee | English (Rare) | ||
| RisteÁRd | - | Irish | ||
| Risto | REES-to (Finnish) | Finnish, Macedonian | ||
| Rita | REE-tə (English), REE-tah (German) | Italian, English, Swedish, Norwegian, Danish, German, Hungarian, Spanish, Portuguese | ||
| Ritchie | RICH-ee | English | ||
| Ritva | REET-vah | Finnish | ||
| River | RIV-ər | English (Modern) | ||
| Riza | - | Turkish | ||
| Rizvan | - | Turkish | ||
| Roan | - | Frisian | ||
| Rob | RAHB (English), RAWB (Dutch) | English, Dutch | ||
| Robbie | RAH-bee | English |