| petrificeren | petrify |
| petrifiëren | petrify |
| Petrijns privilege | Petrine Privilege |
| Petrinet | Petri net |
| Petrischaal | Petri dish |
| Petritsj | Petrich |
| Petrivka | Petrivka |
| Petro Sjelest | Petro Shelest |
| Petro-Canada | Petro-Canada |
| petrochemie | petrochemistry |
| petrochemisch | petrochemical |
| PetroChina | PetroChina |
| Petrofysica | Petrophysics |
| Petrogale lateralis | Black-flanked Rock-wallaby |
| Petrogradskaja | Petrogradskaya |
| Petrolacosaurus | Petrolacosaurus |
| petrolatum | Vaseline |
| petroleum | oil |
| petroleumether | benzine |
| petrologie | petrology |
| Petrolul Ploieşti | Petrolul Ploieşti |
| Petronas Twin Towers | Petronas Twin Towers |
| Petronell-Carnuntum | Petronell-Carnuntum |
| Petronila van Aragón | Petronila of Aragon |
| Petronius | Petronius |
| Petronius Maximus | Petronius Maximus |
| Petronius Platform | Petronius Platform |
| Petropavl | Petropavl |
| Petropavlovsk | Petropavlovsk |
| Petropavlovsk-Kamtsjatski | Petropavlovsk-Kamchatsky |
| Petrova Ves | Petrova Ves |
| Petrovice u Karviné | Petrovice u Karviné |
| Petrovichi | Petrovichi |
| Petrozavodsk | Petrozavodsk |
| Petroşani | Petroşani |
| Petru Groza | Petru Groza |
| Petrus | Saint Peter |
| Petrus Abaelardus | Peter Abelard |
| Petrus Camper | Petrus Camper |
| Petrus Canisius | Petrus Canisius |
| Petrus Christus | Petrus Christus |
| Petrus Chrysologus | Peter Chrysologus |
| Petrus Claver | Peter Claver |
| Petrus Damiani | Peter Damian |
| Petrus en Pauluskathedraal | Peter and Paul Cathedral |
| Petrus Jacobus Joubert | Piet Joubert |
| Petrus Julianus Eymard | Peter Julian Eymard |
| Petrus Lombardus | Peter Lombard |
| Petrus Peregrinus | Peter of Maricourt |
| Petrus Phalesius | Pierre Phalèse the Elder |
| Petrus Plancius | Petrus Plancius |
| Petrus Valdez | Peter Waldo |
| Petrus van der Aa | Petrus van der Aa |
| Petrus Wilhelmi de Grudencz | Piotr z Grudziądza |
| Petrusburcht | Bodrum Castle |
| Petróleos Mexicanos | Pemex |
| Petrăchioaia | Petrăchioaia |
| Petržalka | Petržalka |
