| Papa Severino | Pope Severinus |
| Papa Silverio | Pope Silverius |
| Papa Silvestro I | Pope Sylvester I |
| Papa Silvestro II | Pope Sylvester II |
| Papa Silvestro III | Pope Sylvester III |
| Papa Simmaco | Pope Symmachus |
| Papa Simplicio | Pope Simplicius |
| Papa Siricio | Pope Siricius |
| Papa Sisinnio | Pope Sisinnius |
| Papa Sisto I | Pope Sixtus I |
| Papa Sisto II | Pope Sixtus II |
| Papa Sisto III | Pope Sixtus III |
| Papa Sisto IV | Pope Sixtus IV |
| Papa Sisto V | Pope Sixtus V |
| Papa Sotero | Pope Soter |
| Papa Stefano I | Pope Stephen I |
| Papa Stefano II | Pope-elect Stephen |
| Papa Stefano III | Pope Stephen II |
| Papa Stefano IV | Pope Stephen III |
| Papa Stefano IX | Pope Stephen VIII |
| Papa Stefano V | Pope Stephen IV |
| Papa Stefano VI | Pope Stephen V |
| Papa Stefano VII | Pope Stephen VI |
| Papa Stefano VIII | Pope Stephen VII |
| Papa Stefano X | Pope Stephen IX |
| Papa Telesforo | Pope Telesphorus |
| Papa Teodoro I | Pope Theodore I |
| Papa Teodoro II | Pope Theodore II |
| Papa Urbano I | Pope Urban I |
| Papa Urbano II | Pope Urban II |
| Papa Urbano III | Pope Urban III |
| Papa Urbano IV | Pope Urban IV |
| Papa Urbano V | Pope Urban V |
| Papa Urbano VI | Pope Urban VI |
| Papa Urbano VII | Pope Urban VII |
| Papa Urbano VIII | Pope Urban VIII |
| Papa Valentino | Pope Valentine |
| Papa Vigilio | Pope Vigilius |
| Papa Vitaliano | Pope Vitalian |
| Papa Vittore I | Pope Victor I |
| Papa Vittore II | Pope Victor II |
| Papa Vittore III | Pope Victor III |
| Papa Zaccaria | Pope Zachary |
| Papa Zefirino | Pope Zephyrinus |
| Papa Zosimo | Pope Zosimus |
| Papagoite | Papagoite |
| Papagomys armandvillei | Flores Giant Rat |
| Papagos | Papagou |
| papaia | papaya |
| Papalagi | Palagi |
| papale | papal |
| papalina | sprat |
| papalino | papal |
| papato | papacy |
| Papaver | Papaver |
| Papaveraceae | Papaveraceae |
| Papaverico | Sleep inducing |
| papavero | poppy |
| papavero della California | California poppy |
| Papaïchton | Papaïchton |
| Papeete | Papeete |
| Papenburg | Papenburg |
| Papendrecht | Papendrecht |
| Paper Mario | Paper Mario |
| papera | slip of the tongue |
| Paperback Writer | Paperback Writer |
| Papercraft | Papercraft |
| Paperetta Yè Yè | Dickie Duck |
| Paperina | Daisy Duck |
| Paperinik | Paperinik |
| Paperinika | Super Daisy |
| Paperino | Donald Duck |
| Paperino e il Natale su Monte Orso | Christmas on Bear Mountain |
| Paperino e il ventino fatale | A Christmas for Shacktown |
| Paperino nel tempo che fu | In Old California |
| papero | duck |
| Paperoga | Fethry Duck |
| Paperopoli | Duckburg |
| paperotto | gosling |
| Papier collé | Collage |
| Papiermark | German Papiermark |
| Papilio machaon | Old World Swallowtail |
| Papilionidae | Swallowtail butterfly |
| Papilionoidea | Papilionoidea |
| papilla gustativa | taste bud |
| Papillomavirus | Human papillomavirus |
| papillon | bow tie |
| Papio | Baboon |
| Papio anubis | Olive Baboon |
| Papio cynocephalus | Yellow Baboon |
| Papio hamadryas | Hamadryas Baboon |
| papiro | papyrus |
| Papiro di Ani | Papyrus of Ani |
| Papiro di Ipuwer | Ipuwer Papyrus |
| Papiro di Mosca | Moscow Mathematical Papyrus |
| Papiro di Rhind | Rhind Mathematical Papyrus |
| Papiro di Torino | Turin King List |
| Papiro Ebers | Ebers Papyrus |
| Papiro Westcar | Westcar Papyrus |
| papismo | popery |
| papista | papist |
