| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Placido | - | Italian | ||
| Plinio | - | Italian, Spanish | ||
| Pompeo | pom-PE-o | Italian | ||
| Ponzio | - | Italian | ||
| Porfirio | - | Italian, Spanish | ||
| Primo | PREE-mo (Italian, Spanish) | Italian, Spanish, Portuguese | ||
| Priscilla | pri-SIL-ə (English), pree-SHEEL-lah (Italian) | English, French, Italian, Ancient Roman, Biblical Latin, Biblical | ||
| Prospero | pro-SPE-ro | Italian, Spanish | ||
| Prudenzio | proo-DEN-tsyo | Italian | ||
| Quirino | - | Italian, Portuguese, Spanish | ||
| Rachele | rah-KE-le | Italian | ||
| Raffaele | - | Italian | ||
| Raffaella | - | Italian | ||
| Raffaello | - | Italian | ||
| Raimonda | rie-MON-dah | Italian |