| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Rozabela | ro-zah-BE-lah | Esperanto | ||
| Ru | - | Chinese | ||
| Rubem | - | Portuguese (Brazilian) | ||
| Rubena | roo-BE-nah | Esperanto | ||
| Rubens | - | Portuguese (Brazilian) | ||
| Rubinho | - | Portuguese | ||
| Rufino | roo-FEE-no (Italian, Spanish) | Italian, Spanish, Portuguese | ||
| Rui | - | Portuguese | ||
| Rute | - | Portuguese | ||
| Ruy | - | Portuguese, Spanish | ||
| Ryo | ṙyo: | Japanese | ||
| Ryoichi | ṙyo:-ee-chee | Japanese | ||
| Ryota | ṙyo:-tah | Japanese | ||
| Ryou | ṙyo: | Japanese | ||
| Ryouichi | ṙyo:-ee-chee | Japanese |