| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Rosalia | ro-zah-LEE-ah (Italian) | Italian, Spanish, Portuguese, Late Roman | ||
| Rosalina | ro-sah-LEE-nah (Spanish) | Portuguese, Spanish | ||
| Rosana | - | Portuguese | ||
| Rosinha | - | Portuguese | ||
| Rubem | - | Portuguese (Brazilian) | ||
| Rubens | - | Portuguese (Brazilian) | ||
| Rubinho | - | Portuguese | ||
| Rufino | roo-FEE-no (Italian, Spanish) | Italian, Spanish, Portuguese | ||
| Rui | - | Portuguese | ||
| Rute | - | Portuguese | ||
| Ruy | - | Portuguese, Spanish |