| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Petro | PE-tro (Esperanto) | Ukrainian, Esperanto | ||
| Petrona | pe-TRO-nah | Spanish | ||
| Petronel | - | English (Archaic) | ||
| Petronela | - | Romanian, Slovak, Polish | ||
| Petronella | pe-tro-NE-lah (German) | Dutch, German, Swedish | ||
| Petru | - | Romanian, Corsican, Old Church Slavic | ||
| Petter | - | Swedish, Norwegian | ||
| Petteri | PET-te-ree | Finnish | ||
| Petula | pə-TYOO-lə | English (Rare) | ||
| Petunia | pə-TOON-yə, pə-TYOON-yə | English (Rare) | ||
| Petur | - | Faroese | ||
| Petya | - | Russian, Bulgarian | ||
| Peyton | PAY-tən | English | ||
| PhƯƠNg | - | Vietnamese | ||
| PhƯỢNg | - | Vietnamese |