| BEDROS m Armenian |
| BOTROS m Arabic |
| BOUTROS m Arabic |
| BUTRUS m Arabic |
| GIAMPIERO m Italian |
| GIANPIERO m Italian |
| PEADAR m Irish, Scottish |
| PEARCE m English (Rare) |
| PECE m Macedonian |
| PEDER m Scandinavian |
| PEDR m Welsh |
| PEDRINHO m Portuguese |
| PEDRO m Spanish, Portuguese |
| PEER m Scandinavian |
| PEERS m English (Rare) |
| PEETER m Estonian |
| PEHR m Swedish |
| PEIO m Basque |
| PEJO m Croatian |
| PEKKA m Finnish |
| PELLE m Swedish |
| PENKA f Bulgarian |
| PENKO m Bulgarian |
| PER m Scandinavian, Breton |
| PERE m Catalan |
| PERICA m Croatian |
| PERO m Serbian, Croatian |
| PERRINE f French |
| PERU m Basque |
| PETA f English (Australian and New Zealand) |
| PETAR m Serbian, Croatian, Bulgarian, Macedonian |
| PETE m English |
| PÉTER m Hungarian |
| PETER m English, German, Dutch, Scandinavian, Slovene, Slovak, Biblical |
| PETERA m Maori |
| PETI m Hungarian |
| PETIA m & f Russian, Bulgarian |
| PETKO m Bulgarian, Macedonian |
| PETR m Czech |
| PETRA f Greek, German, Scandinavian, Finnish, Dutch, Czech, Slovak, Slovene, Bulgarian, Croatian, Macedonian, Hungarian, English |
| PETRAS m Lithuanian |
| PETRE m Romanian, Macedonian, Georgian |
| PETRI m Finnish, Basque |
| PETRICA m Romanian |
| PETRINA f English (Rare) |
| PETRO m Ukrainian, Esperanto |
| PETROS m Greek, Armenian, Biblical Greek |
| PETRU m Romanian, Corsican, Old Church Slavic |
| PETRUS m Dutch, German, Biblical Latin |
| PETTER m Swedish, Norwegian |
| PETTERI m Finnish |
| PÉTUR m Icelandic |
| PETYA m & f Russian, Bulgarian |
| PIARAS m Irish |
| PIER m Dutch |
| PIERA f Italian |
| PIERCE m English |
| PIERINA f Italian |
| PIERO m Italian |
| PIERRE m French |
| 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 |
