| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Pietrina | - | Italian | ||
| Pietro | PYE-tro | Italian | ||
| Pina | PEE-nah | Italian | ||
| Pino | PEE-no | Italian | ||
| Pio | - | Italian, Portuguese | ||
| Placida | - | Late Roman, Italian | ||
| 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 |