| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Robertas | - | Lithuanian | ||
| Robertina | - | Italian, Spanish | ||
| Roberto | ro-BER-to (Italian, Spanish) | Italian, Spanish, Portuguese | ||
| Roberts | - | Latvian | ||
| Robi | - | Hungarian | ||
| Robina | - | English (Rare) | ||
| Robynne | - | English (Rare) | ||
| Roc | RAWK | Catalan | ||
| RocÍO | ro-THEE-o (Spanish), ro-SEE-o (Latin American Spanish) | Spanish | ||
| Rocco | ROK-ko (Italian) | Italian, Ancient Germanic | ||
| 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) |