| Renzo | | REN-tso | Italian | |
| Riccarda | | - | Italian | |
| Riccardo | | - | Italian | |
| Rico (2) | | REE-ko | Italian | |
| Rina (1) | | REE-nah | Italian, Dutch | |
| Rinaldo | | - | Italian | |
| Rino | | - | Italian | |
| Rita | | REE-tə (English), REE-tah (German) | Italian, English, Swedish, Norwegian, Danish, German, Hungarian, Spanish, Portuguese | |
| Roberta | | rə-BUR-tə (English), ro-BER-tah (Italian, Spanish) | English, Italian, Spanish | |
| Robertina | | - | Italian, Spanish | |
| Roberto | | ro-BER-to (Italian, Spanish) | Italian, Spanish, Portuguese | |
| Rocco | | ROK-ko (Italian) | Italian, Ancient Germanic | |
| Rodolfo | | - | Italian, Spanish, Portuguese | |
| Rodrigo | | ro-DREE-go (Spanish, Italian), roo-DREE-goo (Portuguese) | Spanish, Portuguese, Italian, Galician | |
| Rolando | | ro-LAHN-do (Spanish) | Spanish, Italian, Portuguese | |