| Pfreimd | Pfreimd |
| Pfronstetten | Pfronstetten |
| Pfronten | Pfronten |
| PFS Polarstern | Stella Polare |
| Pfullendorf | Pfullendorf |
| Pfullingen | Pfullingen |
| Pfund series | Serie di Pfund |
| Pfungen | Pfungen |
| Pfungstadt | Pfungstadt |
| Pfyn | Pfyn |
| Pfäfers | Pfäfers |
| Pfäffikon | Distretto di Pfäffikon |
| Pförring | Pförring |
| PG | PG |
| PH | PH |
| Ph.D | dottore |
| Ph.D. | dottore |
| Phaco- | Lente |
| Phacochoerus | Phacochoerus africanus |
| Phaedo | Fedone |
| Phaedo of Elis | Fedone |
| Phaedon Gizikis | Phaedon Gizikis |
| Phaedra | Fedra |
| Phaedrus | Fedro |
| Phaeton | Fetonte |
| Phaeton body | Phaeton |
| Phaidon | Fedone |
| Phaistos Disc | Disco di Festo |
| Phalacrocorax | Phalacrocorax carbo |
| Phalaenopsis | Phalaenopsis |
| Phalanstère | Falansterio |
| phalanx | falange |
| Phalaris | Falaride |
| Phallaceae | Phallus impudicus |
| Phallales | Phallales |
| phallic | fallico |
| Phallogocentrism | Logocentrismo |
| Phalloidin | Falloidina |
| phallus | fallo |
| Phallus impudicus | Phallus impudicus |
| Pham Thi Hoai | Pham Thi Hoai |
| Phan Thị Kim Phúc | John Lennon |
| phanerogam | fanerogame |
| Phanerozoic | Fanerozoico |
| Phanocles | Fanocle |
| phantasm | spettro |
| phantasmagoria | fantasmagoria |
| Phantasos | Fantaso |
| phantom | incubo |
| Phantom Blot | Macchia Nera |
| Phantom energy | Energia fantasma |
| Phantom Lady | Phantom Lady |
| Phantom of the Paradise | Il fantasma del palcoscenico |
| Phantom ship | Nave fantasma |
| Phantom Stranger | Straniero Fantasma |
| Phantom Zone | Zona fantasma |
| Pharamond | Faramondo |
| pharaoh | faraone |
| Pharaoh and Cleopatra | Faraone |
| Pharisee | fariseo |
| pharmaceutical | farmaceutico |
| pharmaceutical industry | industria farmaceutica |
| pharmaceutical waste | rifiuto farmaceutico |
| pharmaceutics | farmaceutica |
| pharmacist | farmacista |
| Pharmacodynamics | Farmacodinamica |
| Pharmacogenomics | Farmacogenomica |
| pharmacokinetics | cinetica farmacologica |
| pharmacologic | farmacologico |
| pharmacological | farmacologico |
| pharmacologist | farmacologo |
| pharmacology | farmacologia |
| Pharmaconomist | Farmakonom |
| Pharmacophore | Farmacoforo |
| pharmacopoeia | farmacopea |
| pharmacy | farmacia |
| Pharmakos | Pharmakos |
| Pharnaces II of Pontus | Farnace II del Ponto |
| Pharrell Williams | Pharrell Williams |
| Pharsalia | Pharsalia |
| Pharyngeal consonant | Consonante faringale |
| pharyngitis | faringite |
| pharynx | faringe |
| phase | periodo |
| Phase effect | Effetti di fase |
| Phase error | Errori di fase |
| Phase function | Funzione di fase |
| phase out | sopprimere gradualmente |
| Phase switching | Commutazione di fase |
| Phase-change memory | Phase-change memory |
| Phase-locked loop | Phase-Locked Loop |
| Phase-shift keying | Phase-shift keying |
| phasemeter | fasometro |
| Phaseolus vulgaris | Phaseolus vulgaris |
| phaseout | annullamento graduale |
| phaseouts | dipanare |
| Phases of the moon | Fasi lunari |
| Phasianidae | Phasianidae |
