| EQUIVALENTS |
| ARABIC: Botros, Boutros, Butrus |
| ARMENIAN: Bedros, Petros |
| BASQUE: Peru, Petri |
| BIBLICAL GREEK: Petros |
| BIBLICAL LATIN: Petrus |
| BIBLICAL: Peter |
| BRETON: Per |
| BULGARIAN: Petar |
| CATALAN: Pere |
| COPTIC: Botros, Boutros, Butrus |
| CORSICAN: Petru |
| CROATIAN: Petar |
| CZECH: Petr |
| DANISH: Peder, Peter |
| DUTCH: Peter, Petrus, Pier, Pieter |
| ENGLISH (BRITISH): Piers |
| ENGLISH: Peers, Peter |
| ESPERANTO: Petro |
| ESTONIAN: Peeter |
| FAROESE: Petur |
| FINNISH: Petri, Petteri, Pietari |
| FRENCH: Pierre |
| FRISIAN: Pitter |
| GEORGIAN: Petre |
| GERMAN: Peter, Petrus |
| GREEK: Petros |
| HAWAIIAN: Pika |
| HUNGARIAN: Péter |
| ICELANDIC: Pétur |
| IRISH: Peadar, Piaras |
| ITALIAN: Pier, Piero, Pietro |
| LIMBURGISH: Pitter |
| LITHUANIAN: Petras |
| MACEDONIAN: Petar, Petre |
| MAORI: Petera |
| MEDIEVAL FRENCH: Piers |
| NORWEGIAN: Peder, Peter, Petter |
| OCCITAN: Pèire |
| OLD CHURCH SLAVIC: Petru |
| POLISH: Piotr |
| PORTUGUESE: Pedro |
| ROMANIAN: Petre, Petru |
| RUSSIAN: Pyotr |
| SCOTTISH: Peadar |
| SERBIAN: Petar |
| SLOVAK: Peter |
| SLOVENE: Peter |
| SPANISH: Pedro |
| SWEDISH: Peder, Peter, Petter, Pierre |
| UKRAINIAN: Petro |
| WELSH: Pedr |
|
| DIMINUTIVES AND SHORT FORMS |
| BASQUE: Peio |
| BRETON: Perig, Pierrick |
| BULGARIAN: Penko |
| CROATIAN: Pejo, Perica, Pero |
| DANISH: Peer, Per |
| DUTCH: Piet |
| ENGLISH: Pete |
| FINNISH: Pekka |
| FRENCH: Pierrick |
| HUNGARIAN: Peti |
| ITALIAN: Pierino |
| LIMBURGISH: Pit |
| MACEDONIAN: Pece |
| MEDIEVAL ITALIAN: Petruccio |
| NORWEGIAN: Peer, Per |
| PORTUGUESE: Pedrinho |
| ROMANIAN: Petrica |
| RUSSIAN: Petia, Petya |
| SERBIAN: Pejo, Perica, Pero |
| SWEDISH: Peer, Pehr, Pelle, Per |
|
| FEMININE FORMS |
| BULGARIAN: Penka, Petia, Petya |
| CROATIAN: Petra |
| CZECH: Petra |
| DUTCH: Petra |
| ENGLISH (AUSTRALIAN): Peta |
| ENGLISH: Petra, Petrina |
| FINNISH: Petra |
| FRENCH: Perrine, Pierrette |
| GERMAN: Petra |
| HUNGARIAN: Petra |
| ITALIAN: Piera, Pierina, Pietra, Pietrina |
| SLOVAK: Petra |
| SLOVENE: Petra |
| SWEDISH: Petra |
|
| OTHER FORMS |
| ENGLISH: Pearce, Pierce |
|