| BEDROS m Armenian |
| BOTROS m Arabic, Coptic |
| BOUTROS m Arabic, Coptic |
| BUTRUS m Arabic, Coptic |
| GIAMPIERO m Italian |
| GIANPIERO m Italian |
| PEADAR m Irish, Scottish |
| PEARCE m English (Rare) |
| PECE m Macedonian |
| PEDER m Danish, Norwegian, Swedish |
| PEDR m Welsh |
| PEDRINHO m Portuguese |
| PEDRO m Portuguese, Spanish |
| PEER m Danish, Norwegian, Swedish |
| PEERS m English (Rare) |
| PEETER m Estonian |
| PEHR m Swedish |
| PEIO m Basque |
| PÈIRE m Occitan |
| PEJO m Croatian, Serbian |
| PEKKA m Finnish |
| PELLE m Swedish |
| PENKA f Bulgarian |
| PENKO m Bulgarian |
| PER m Breton, Danish, Norwegian, Swedish |
| PERE m Catalan |
| PERICA m Croatian, Serbian |
| PERIG m Breton |
| PERO m Croatian, Serbian |
| PERRINE f French |
| PERU m Basque |
| PETA f English (Australian) |
| PETAR m Bulgarian, Croatian, Macedonian, Serbian |
| PETE m English |
| PÉTER m Hungarian |
| PETER m Danish, Dutch, English, Biblical, German, Norwegian, Slovak, Slovene, Swedish |
| PETERA m Maori |
| PETI m Hungarian |
| PETIA f & m Bulgarian, Russian |
| PETKO m Bulgarian, Macedonian |
| PETR m Czech |
| PETRA f Bulgarian, Croatian, Czech, Danish, Dutch, English, Finnish, German, Greek, Hungarian, Macedonian, Norwegian, Serbian, Slovak, Slovene, Swedish |
| PETRAS m Lithuanian |
| PETRE m Georgian, Macedonian, Romanian |
| PETRI m Basque, Finnish |
| PETRICA m Romanian |
| PETRINA f English (Rare) |
| PETRO m Esperanto, Ukrainian |
| PETROS m Armenian, Greek, Biblical Greek |
| PETRU m Corsican, Romanian, Old Church Slavic |
| PETRUCCIO m Medieval Italian |
| PETRUS m Dutch, German, Biblical Latin |
| PETTER m Norwegian, Swedish |
| PETTERI m Finnish |
| PÉTUR m Icelandic |
| PETYA f & m Bulgarian, Russian |
| PIARAS m Irish |
| PIER m Dutch |
| PIERA f Italian |
| PIERCE m English |
| PIERINA f Italian |
| PIERO m Italian |
| PIERRE m French, Swedish |
| PIERRETTE f French |
| PIERRICK m Breton, French |
| PIERS m English (British), Medieval French |
| PIET m Dutch |
| PIETARI m Finnish |
| PIETER m Dutch |
| PIETRA f Italian |
| PIETRINA f Italian |
| PIETRO m Italian |
| PIKA m Hawaiian |
| PIOTR m Polish |
| PIT m Limburgish |
| PITTER m Frisian, Limburgish |
| PYOTR m Russian |
