| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Peti | - | Hungarian | ||
| Petia | - | Russian, Bulgarian | ||
| Petko | - | Bulgarian, Macedonian | ||
| Petra | PET-rah (Finnish), PET-rə (English) | German, Dutch, Czech, Slovak, Slovene, Croatian, Hungarian, Swedish, Finnish, English | ||
| Petras | - | Lithuanian | ||
| Petre | PE-tre (Romanian) | Romanian, Macedonian, Georgian | ||
| Petrica | - | Romanian | ||
| Petro | PE-tro (Esperanto) | Ukrainian, Esperanto | ||
| Petrona | pe-TRO-nah | Spanish | ||
| Petronela | - | Romanian, Slovak, Polish | ||
| Petronella | pe-tro-NE-lah (German) | Dutch, German, Swedish | ||
| Petronia | - | Ancient Roman | ||
| Petronilla | - | Italian, Late Roman | ||
| Petronius | - | Ancient Roman | ||
| Petros | - | Greek, Armenian, Biblical Greek |