| Prospero | | pro-SPE-ro | Italian, Spanish | |
| Prosperus | | - | Late Roman | |
| Prudencia | | proo-DHEN-thya (Spanish), proo-DHEN-sya (Latin American Spanish) | Spanish | |
| Prudencio | | proo-DHEN-thyo (Spanish), proo-DHEN-syo (Latin American Spanish) | Spanish | |
| Prudentia | | - | Late Roman | |
| Prudentius | | - | Late Roman | |
| Prudenzio | | proo-DEN-tsyo | Italian | |
| Ptah | | PTAH, PTAHKH | Egyptian Mythology | |
| Ptolemaios | | - | Ancient Greek | |
| Ptolemais | | - | Ancient Greek | |
| Pua | | - | Hawaiian | |
| Pualani | | - | Hawaiian | |
| Puanani | | - | Hawaiian | |
| Publius | | PUWB-li-uws (Ancient Roman), PUB-lee-əs (English) | Ancient Roman | |
| Puck | | PUK (English) | Anglo-Saxon Mythology, Dutch | |