| Name | Gender | Categories | |
|---|
| Dolores O'Riordan | f | Notable Musicians |  |
| Orithyia | f | Characters in Greek Mythology | |
| Orithyia | f | Characters in Greek Mythology | |
| Orithyia | f | Characters in Greek Mythology | |
| Orlando | m | Shakespearian Characters | |
| Orlando | m | Fictional Characters from Books | |
| Vittorio Emanuele Orlando | m | Italian Presidents and Prime Ministers | |
| Mark Ormrod | m | Olympic Medalists | |
| Mikael Örn | m | Olympic Medalists | |
| Ornia | f | Characters in Greek Mythology | |
| Ornytion | m | Characters in Greek Mythology | |
| Justino Orona Madrigal | m | Saints | |
| Jim O'Rourke | m | Hall-of-Famers | |
| Orpheus | m | Characters in Greek Mythology | |
| Orphne | f | Characters in Greek Mythology | |
| Bobby Orr | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Vickie Orr | f | Olympic Medalists | |
| Orsedice | f | Characters in Greek Mythology | |
| Orseis | f | Characters in Greek Mythology | |
| Orsiboe | f | Characters in Greek Mythology | |
| Duke Orsino | m | Fictional Characters from Plays and Musicals, Shakespearian Characters | |
| Orsinome | f | Characters in Greek Mythology | |
| Orsobia | f | Characters in Greek Mythology | |
| Amancio Ortega | m | Notable Businesspeople | |
| Esperanza Ortega | f | Fictional Characters from Books | |
| Orthaea | f | Characters in Greek Mythology | |
| Orthanes | m | Characters in Greek Mythology | |
| Orthaon | m | Characters in Greek Mythology | |
| Orthopolis | m | Characters in Greek Mythology | |
| William R. Orthwein | m | Olympic Medalists | |
| David Ortiz | m | Hall-of-Famers | |
| Rita Ortiz | f | Fictional Characters from Television | |
| Tatiana Ortiz | f | Olympic Medalists | |
| Tomasa Ortiz Real | f | Saints | |
| George F. Orton | m | Olympic Medalists | |
| Ortyx | m | Characters in Greek Mythology | |
| Don Orville | m | Fictional Characters from Television | |
| Orythaon | m | Characters in Greek Mythology | |
| Komei | m | Japanese Emperors | |
| Osanna of Mantua | f | Saints | |
| Harold Osborn | m | Olympic Medalists | |
| Ozzy Osbourne | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Oscar | m | Hurricanes and Tropical Storms | |
| Oscar of Belgium | m | Other Royalty | |
| Tinus Osendarp | m | Notable Athletes, Olympic Medalists | |
| Douglas Osheroff | m | Nobel Prize Winners | |
| Albina Osipowich | f | Olympic Medalists | |
| Osiris | m | Characters in Egyptian Mythology | |
| Osman I | m | Ottoman Sultans | |
| Osman II | m | Islamic Caliphs, Ottoman Sultans | |
| Osman III | m | Islamic Caliphs, Ottoman Sultans | |
| Edward Osóbka-Morawski | m | Polish Presidents and Prime Ministers | |
| Osorkon I | m | Egyptian Pharaohs | |
| Osorkon II | m | Egyptian Pharaohs | |
| Osorkon III | m | Egyptian Pharaohs | |
| Osric | m | Shakespearian Characters | |
| Carl von Ossietzky | m | Nobel Prize Winners, Notable Activists and Revolutionaries | |
| Micheline Ostermeyer | f | Olympic Medalists | |
| Per-Olof Östrand | m | Olympic Medalists | |
| Elinor Ostrom | f | Nobel Prize Winners, Notable Philosophers and Thinkers | |
| Stanisław Ostrowski | m | Polish Presidents and Prime Ministers | |
| Wilhelm Ostwald | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Keala O'Sullivan | f | Olympic Medalists | |
| Yoshinori Ōsumi | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Oswald | m | Shakespearian Characters | |
| Oswald | m | Fictional Characters from Television | |
| Lee Harvey Oswald | m | Notable Evildoers | |
| Otaces | m | Characters in Greek Mythology | |
| Otaxes | m | Characters in Greek Mythology | |
| Othello | m | Fictional Characters from Plays and Musicals, Shakespearian Characters | |
| Othni | m | Biblical Characters | |
| Othniel | m | Biblical Characters | |
| Othris | f | Characters in Greek Mythology | |
| Laurence O'Toole | m | Saints | |
| Maureen O'Toole | f | Olympic Medalists | |
| Otrere | f | Characters in Greek Mythology | |
| Mel Ott | m | Hall-of-Famers, Notable Athletes | |
| Merlene Ottey | f | Olympic Medalists | |
| Otto I the Great | m | German Kings and Holy Roman Emperors | |
| Otto II the Red | m | German Kings and Holy Roman Emperors | |
| Otto III | m | German Kings and Holy Roman Emperors | |
| Ottó III of Bavaria | m | Hungarian Kings and Queens | |
| Otto IV | m | German Kings and Holy Roman Emperors | |
| Otto of Bamberg | m | Saints | |
| Frank Otto | m | Olympic Medalists | |
| Jim Otto | m | Hall-of-Famers | |
| Louise Otto | f | Olympic Medalists | |
| Ottokar I | m | Bohemian Kings | |
| Ottokar II | m | Austrian Dukes and Emperors, Bohemian Kings | |
| Otus | m | Characters in Greek Mythology | |
| Robert Ouko | m | Olympic Medalists | |
| Yelena Ovchinnikova | f | Olympic Medalists | |
| Alexander Ovechkin | m | Most Valuable Players, Notable Athletes | |
| Tatyana Ovechkina | f | Olympic Medalists | |
| Wolfgang Overath | m | Notable Athletes | |
| Mistress Overdone | f | Shakespearian Characters | |
| Puck Oversloot | f | Olympic Medalists | |
| Adolf Overweg | m | Notable Explorers and Adventurers | |
| Steve Ovett | m | Olympic Medalists | |
| Ovid | m | Notable Writers | |
| Clive Owen | m | Notable Actors and Entertainers | |
| Eddie Owen | m | Olympic Medalists | |
| Rena Owen | f | Notable Actors and Entertainers | |
| Steve Owen | m | Hall-of-Famers | |
| Jesse Owens | m | Notable Athletes, Olympic Medalists | |
| Jessie Owens | f | Fictional Characters from Television | |
| Ken Owens | m | Notable Athletes | |
| Shirley Owens | f | Rock and Roll Hall-of-Famers | |
| Alex Oxlade-Chamberlain | m | Notable Athletes | |
| Oxyrrhoe | f | Characters in Greek Mythology | |
| Yoshi Oyakawa | m | Olympic Medalists | |
| Tsutomu Oyokota | m | Olympic Medalists | |
| Øystein I | m | Norwegian Kings and Queens | |
| Daphne Oz | f | Notable Actors and Entertainers | |
| Mehmet Oz | m | Notable Actors and Entertainers | |
| Ozem | m | Biblical Characters | |
| Ozem | m | Biblical Characters | |
| Yuriy Ozerov | m | Olympic Medalists | |
| Cēzars Ozers | m | Olympic Medalists | |
| Ozni | m | Biblical Characters | |
| Edvin Ozolin | m | Olympic Medalists | |
| Elvīra Ozoliņa | f | Olympic Medalists | |
| Ozuna | m | Notable Musicians | |
| Svante Pääbo | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Anderson .Paak | m | Grammy Award Winners, Notable Musicians | |
| Eddy Paape | m | Notable Artists | |
| Paarai | m | Biblical Characters | |
| Juho Kusti Paasikivi | m | Finnish Presidents and Prime Ministers | |
| Rafael Paasio | m | Finnish Presidents and Prime Ministers | |
| Pablo | m | Hurricanes and Tropical Storms | |
| Orlando Pace | m | Hall-of-Famers | |
| Tomas Pačėsas | m | Olympic Medalists | |
| Antonio Pacheco | m | Olympic Medalists | |
| Nilton Pacheco | m | Olympic Medalists | |
| Johann Pachelbel | m | Notable Musicians | |
| Pachylus | m | Characters in Greek Mythology | |
| Pacifico of San Severino | m | Saints | |
| Al Pacino | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Joep Packbiers | m | Olympic Medalists | |
| Pactobius of Sebaste | m | Saints | |
| Charley Paddock | m | Olympic Medalists | |
| Ignacy Jan Paderewski | m | Polish Presidents and Prime Ministers | |
| Juan Padilla | m | Olympic Medalists | |
| Tony Padilla | m | Fictional Characters from Television | |
| Padon | m | Biblical Characters | |
| Henri Padou | m | Olympic Medalists | |
| Henri Padou Jr. | m | Olympic Medalists | |
| Paeeon | m | Characters in Greek Mythology | |
| Paeon | m | Characters in Greek Mythology | |
| Paeon | m | Characters in Greek Mythology | |
| Paeon | m | Characters in Greek Mythology | |
| Pagan | m | Bulgarian Kings and Tsars | |
| Niccolò Paganini | m | Notable Musicians | |
| Alan Page | m | Hall-of-Famers, Most Valuable Players | |
| Anne Page | f | Shakespearian Characters | |
| Earle Page | m | Australian Prime Ministers | |
| Elliot Page | m | Notable Actors and Entertainers | |
| Master George Page | m | Shakespearian Characters | |
| Geraldine Page | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Harlan "Pat" Page | m | Hall-of-Famers | |
| Jimmy Page | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Mistress Margaret Page | f | Shakespearian Characters | |
| William Page | m | Shakespearian Characters | |
| Pagiel | m | Biblical Characters | |
| Pahath-Moab | m | Biblical Characters | |
| Ashraf Pahlavi | f | Other Royalty | |
| Mohammad Reza Pahlavi | m | Persian and Iranian Kings and Queens | |
| Pai Kun-hong | m | Olympic Medalists | |
| Cami Paige | f | Fictional Characters from Television | |
| Satchel Paige | m | Hall-of-Famers, Notable Athletes | |
| Thomas Paine | m | Notable Activists and Revolutionaries | |
| Arie Pais | m | Notable Politicians and Statespeople | |
| Lucy Pak Hui-sun | f | Saints | |
| Yuliya Pakhalina | f | Olympic Medalists | |
| George Emil Palade | m | Nobel Prize Winners | |
| Palaechthon | m | Characters in Greek Mythology | |
| John V Palaeologus | m | Roman and Byzantine Emperors | |
| Palal | m | Biblical Characters | |
| Palamedes | m | Characters in Greek Mythology | |
| Jack Palance | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Tar-Palantir | m | Tolkien's Characters | |
| Francisco Palau | m | Saints | |
| Grace Paley | f | Notable Writers | |
| Lisa Palfy | f | Fictional Characters from Books | |
| Michael Palin | m | Notable Actors and Entertainers | |
| Pallas | m | Characters in Greek Mythology | |
| Pallas | m | Characters in Greek Mythology | |
| Pallas | f | Characters in Greek Mythology | |
| Pallas | m | Characters in Greek Mythology | |
| Pallas | m | Characters in Greek Mythology | |
| Pallas | m | Characters in Greek Mythology | |
| Wilfred Pallot | m | Olympic Medalists | |
| Vincenzo Pallotti | m | Saints | |
| Pallu | m | Biblical Characters | |
| Olof Palme | m | Swedish Prime Ministers | |
| Arnold Palmer | m | Notable Athletes | |
| Bruce Palmer | m | Rock and Roll Hall-of-Famers | |
| Crawford Palmer | m | Olympic Medalists | |
| Geoffrey Palmer | m | New Zealand Prime Ministers | |
| Jim Palmer | m | Hall-of-Famers, Notable Athletes | |
| Jimmy Palmer | m | Fictional Characters from Television | |
| Laura Palmer | f | Fictional Characters from Television | |
| Lillian Palmer | f | Olympic Medalists | |
| Meredith Palmer | f | Fictional Characters from Television | |
| Paul Palmer | m | Olympic Medalists | |
| Robbie Palmer | m | Fictional Characters from Television | |
| Chazz Palminteri | m | Notable Actors and Entertainers | |
| Paloma | f | Hurricanes and Tropical Storms | |
| Palti | m | Biblical Characters | |
| Palti | m | Biblical Characters | |
| Paltiel | m | Biblical Characters | |
| Gwyneth Paltrow | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Pam | f | Fictional Characters from Song Titles | |
| Pamphagus | m | Characters in Greek Mythology | |
| Pamphilus | m | Characters in Greek Mythology | |
| Pamphilus of Caesarea | m | Saints | |
| Dionisio Pamplona | m | Saints | |
| José Pamplona | m | Olympic Medalists | |
| Riccardo Pampuri | m | Saints | |
| Orhan Pamuk | m | Nobel Prize Winners, Notable Writers | |
| P. V. Narasimha Rao | m | Indian Presidents and Prime Ministers | |
| Pan | m | Characters in Greek Mythology | |
| Peter Pan | m | Fictional Characters from Books, Fictional Characters from Plays and Musicals | |
| Panacea | f | Characters in Greek Mythology | |
| Pandarus | m | Characters in Greek Mythology, Shakespearian Characters | |
| Pandion | m | Characters in Greek Mythology | |
| Cardinal Pandolf | m | Shakespearian Characters | |
| Pandora | f | Characters in Greek Mythology | |
| Pang Jiaying | f | Olympic Medalists | |
| Theodoros Pangalos | m | Greek Prime Ministers | |
| Archie Panjabi | f | Notable Actors and Entertainers | |
| Nikolai Pankin | m | Olympic Medalists | |
| Viktor Pankrashkin | m | Olympic Medalists | |
| Panthalis | f | Characters in Greek Mythology | |
| Panthino | m | Shakespearian Characters | |
| Panthius | m | Characters in Greek Mythology | |
| Hermann Panzo | m | Olympic Medalists | |
| Paola of Belgium | f | Other Royalty | |
| Eduardo Paolozzi | m | Notable Artists | |
| Mimis Papaioannou | m | Notable Athletes | |
| Miltos Papapostolou | m | Notable Athletes | |
| Franz von Papen | m | German Chancellors and Presidents | |
| Paphnutius the Confessor | m | Saints | |
| Paphos | ? | Characters in Greek Mythology | |
| Nadzeya Papok | f | Olympic Medalists | |
| Valentinus Paquay | m | Saints | |
| Anna Paquin | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Bernie Parent | m | Hall-of-Famers, Notable Athletes | |
| Mati Pari | m | Notable Athletes | |
| Paria | f | Characters in Greek Mythology | |
| Parias | m | Characters in Greek Mythology | |
| Count Paris | m | Shakespearian Characters | |
| Paris | m | Characters in Greek Mythology, Shakespearian Characters | |
| Tom Paris | m | Fictional Characters from Television | |
| Parisa | f | Notable Musicians | |
| Brad Park | m | Hall-of-Famers, Notable Athletes | |
| Park Chan-sook | f | Olympic Medalists | |
| Park Jae-Hong | m | Olympic Medalists | |
| Park Jin-man | m | Olympic Medalists | |
| Park Jong-ho | m | Olympic Medalists | |
| Park Joo-bong | m | Olympic Medalists | |
| Park Kyung-mo | m | Olympic Medalists | |
| Park Kyung-oan | m | Olympic Medalists | |
| Mungo Park | m | Notable Explorers and Adventurers | |
| Park Seok-jin | m | Olympic Medalists | |
| Park Sung-hyun | f | Olympic Medalists | |
| Park Sung-soo | m | Olympic Medalists | |
| Park Tae-hwan | m | Olympic Medalists | |
| Park Yang-gae | f | Olympic Medalists | |
| Annie Parker | f | Fictional Characters from Movies | |
| Charlie Parker | m | Notable Musicians | |
| Clarence "Ace" Parker | m | Hall-of-Famers | |
| Dave Parker | m | Most Valuable Players | |
| George Parker | m | Olympic Medalists | |
| Jack Parker | m | Olympic Medalists | |
| Jim Parker | m | Hall-of-Famers | |
| John Parker | m | Olympic Medalists | |
| Kim Parker | f | Fictional Characters from Television | |
| Liz Parker | f | Fictional Characters from Television | |
| Nikki Parker | f | Fictional Characters from Television | |
| Peter Parker | m | Fictional Characters from Books, Fictional Characters from Movies | |
| Sarah Jessica Parker | f | Emmy Award Winners, Notable Actors and Entertainers | |
| Pansy Parkinson | f | Harry Potter Characters | |
| Janice Parkman | f | Fictional Characters from Television | |
| Matt Parkman | m | Fictional Characters from Television | |
| Maxie Parks | m | Olympic Medalists | |
| Rosa Parks | f | Notable Activists and Revolutionaries | |
| Parmashta | m | Biblical Characters | |
| Rosario Parmegiani | m | Olympic Medalists | |
| Parmenas | m | Biblical Characters, Saints | |
| Parmenides of Elea | m | Notable Philosophers and Thinkers | |
| Parnach | m | Biblical Characters | |
| Parolles | m | Shakespearian Characters | |
| Parosh | m | Biblical Characters | |
| Jim Parque | m | Olympic Medalists | |
| Carlos Alberto Parreira | m | Notable Athletes | |
| Parrhasius of Ephesus | m | Notable Artists | |
| Hubert Parry | m | Notable Musicians | |
| Stephen Parry | m | Olympic Medalists | |
| William Edward Parry | m | Notable Explorers and Adventurers | |
| Parshandatha | m | Biblical Characters | |
| Estelle Parsons | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Jim Parsons | m | Emmy Award Winners, Notable Actors and Entertainers | |
| Alfredo Parte Saiz | m | Saints | |
| Parthenope | f | Characters in Greek Mythology | |
| Dolly Parton | f | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Mabel Parton | f | Olympic Medalists | |
| Alex Partridge | m | Olympic Medalists | |
| Paruah | m | Biblical Characters | |
| Pasach | m | Biblical Characters | |
| Pascal | m | Fictional Characters from Movies | |
| Blaise Pascal | m | Notable Philosophers and Thinkers | |
| Paschal | m | Bishops of Rome and the Popes | |
| Paschal | m | Bishops of Rome and the Popes | |
| Paschal I | m | Bishops of Rome and the Popes, Saints | |
| Paschal II | m | Bishops of Rome and the Popes | |
| Alan Pascoe | m | Olympic Medalists | |
| Peter Pascoe | m | Fictional Characters from Books, Fictional Characters from Television | |
| Anne Pashley | f | Olympic Medalists | |
| Pasithea | f | Characters in Greek Mythology | |
| Pasithoe | f | Characters in Greek Mythology | |
| Amaury Pasos | m | Olympic Medalists | |
| Žarko Paspalj | m | Olympic Medalists | |
| Daniel Passarella | m | Notable Athletes | |
| Pedro Passos Coelho | m | Portuguese Presidents and Prime Ministers | |
| Boris Pasternak | m | Nobel Prize Winners, Notable Writers | |
| Helga G. Pataki | f | Fictional Characters from Television | |
| Miriam Pataki | f | Fictional Characters from Television | |
| Olga Pataki | f | Fictional Characters from Television | |
| Robert "Big Bob" Pataki | m | Fictional Characters from Television | |
| Harry Patch | m | Fictional Characters from Song Titles | |
| Himesh Patel | m | Notable Actors and Entertainers | |
| Piscine Molitor Patel | m | Fictional Characters from Books | |
| Bert Patenaude | m | Notable Athletes | |
| Patience | f | Shakespearian Characters | |
| Padma Patil | f | Harry Potter Characters | |
| Parvati Patil | f | Harry Potter Characters | |
| Mandy Patinkin | m | Emmy Award Winners, Notable Actors and Entertainers | |
| Voula Patoulidou | f | Olympic Medalists | |
| Anca Pătrășcoiu | f | Olympic Medalists | |
| Cerasela Pătraşcu | f | Notable Athletes | |
| Patricia | f | Fictional Characters from Song Titles | |
| Patrick | m | Saints | |
| Lester Patrick | m | Hall-of-Famers, Notable Athletes | |
| Lynn Patrick | m | Hall-of-Famers | |
| Patro | f | Characters in Greek Mythology | |
| Patroclus | m | Characters in Greek Mythology, Shakespearian Characters | |
| Konstantin Päts | m | Estonian Presidents and Prime Ministers | |
| Otar Patsatsia | m | Georgian Presidents and Prime Ministers | |
| Cassie Patten | f | Olympic Medalists | |
| Audrey Patterson | f | Olympic Medalists | |
| Scott Patterson | m | Notable Actors and Entertainers | |
| Mel Patton | m | Olympic Medalists | |
| Will Patton | m | Notable Actors and Entertainers | |
| Miss Patty | f | Fictional Characters from Television | |
| Peppermint Patty | f | Other Fictional Characters | |
| Paul | m | Fictional Characters from Song Titles | |
| Paul Ho Hyob | m | Saints | |
| Paul I | m | Bishops of Rome and the Popes, Saints | |
| Paul II | m | Bishops of Rome and the Popes | |
| Paul III | m | Bishops of Rome and the Popes | |
| Paul IV | m | Bishops of Rome and the Popes | |
| Paul Khoan Khan Pham | m | Saints | |
| Paul Loc Van Le | m | Saints | |
| Paul the Apostle | m | Biblical Characters, Saints | |
| Paul the First Hermit | m | Saints | |
| Paul Tong Buong | m | Saints | |
| Paul V | m | Bishops of Rome and the Popes | |
| Paul VI | m | Bishops of Rome and the Popes | |
| Adolf Paul | m | Notable Writers | |
| Chris Paul | m | Notable Athletes, Olympic Medalists | |
| Jake Paul | m | Notable Actors and Entertainers | |
| Les Paul | m | Notable Musicians, Notable Scientists and Inventors | |
| Logan Paul | m | Notable Actors and Entertainers, Notable Athletes | |
| Ron Paul | m | Notable Politicians and Statespeople | |
| Wolfgang Paul | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Paula | f | Hurricanes and Tropical Storms | |
| Modestas Paulauskas | m | Olympic Medalists | |
| Wolfgang Pauli | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Paulina | f | Shakespearian Characters | |
| Paulina of the Agonizing Heart of Jesus | f | Saints | |
| Paulo Henrique "Ganso" | m | Notable Athletes, Olympic Medalists | |
| Bjørn Paulson | m | Olympic Medalists | |
| Pausanias | m | Notable Philosophers and Thinkers | |
| Pausilippus | m | Saints | |
| Luciano Pavarotti | m | Notable Musicians | |
| Pavel | m | Russian Grand Dukes and Tsars | |
| Ivan Pavlov | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Waldemar Pawlak | m | Polish Presidents and Prime Ministers | |
| Lennox Pawle | m | Notable Actors and Entertainers | |
| Pax | f | Characters in Roman Mythology | |
| Katina Paxinou | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Bill Paxton | m | Notable Actors and Entertainers | |
| David Payne | m | Olympic Medalists | |
| Keri-Anne Payne | f | Olympic Medalists | |
| Marita Payne-Wiggins | f | Olympic Medalists | |
| Rick Payne | m | Fictional Characters from Television | |
| Stella Payne | f | Fictional Characters from Movies | |
| Gary Payton | m | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Walter Payton | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Octavio Paz | m | Nobel Prize Winners, Notable Writers | |
| Alvydas Pazdrazdis | m | Olympic Medalists | |
| Leonard Peacock | m | Fictional Characters from Books | |
| William Peacock | m | Olympic Medalists | |
| Lennard Pearce | m | Notable Actors and Entertainers | |
| Pearl | f | Fictional Characters from Television | |
| Lester B. Pearson | m | Canadian Prime Ministers, Nobel Prize Winners | |
| Sally Pearson | f | Olympic Medalists | |
| Neil Peart | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Peaseblossom | m | Shakespearian Characters | |
| Nilo Peçanha | m | Brazilian Presidents | |
| Natalya Pechonkina | f | Olympic Medalists | |
| Heidi Pechstein | f | Olympic Medalists | |
| Bob Peck | m | Notable Actors and Entertainers | |
| Gregory Peck | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Roger Peckinpaugh | m | Most Valuable Players | |
| Pedahel | m | Biblical Characters | |
| Pedahzur | m | Biblical Characters | |
| Doug Peden | m | Olympic Medalists | |
| Charles J. Pedersen | m | Nobel Prize Winners | |
| Christinna Pedersen | f | Olympic Medalists | |
| Susan Pedersen | f | Olympic Medalists | |
| Pediacrates | m | Characters in Greek Mythology | |
| Pedias | m | Characters in Greek Mythology | |
| Pedile | f | Characters in Greek Mythology | |
| José Pedraza Zúñiga | m | Olympic Medalists | |
| Don Pedro | m | Shakespearian Characters | |
| Pedro Américo | m | Notable Artists | |
| Pedro I | m | Spanish Kings and Queens | |
| Pedro II | m | Spanish Kings and Queens | |
| Pedro III the Great | m | Spanish Kings and Queens | |
| Pedro IV | m | Portuguese Kings and Queens | |
| Pedro IV the Ceremonious | m | Spanish Kings and Queens | |
| Pedro the Cruel | m | Spanish Kings and Queens | |
| Pedro V | m | Portuguese Kings and Queens | |
| Pedubast I | m | Egyptian Pharaohs | |
| Jim Peebles | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Robert Peel | m | British Prime Ministers | |
| Jordan Peele | m | Notable Actors and Entertainers, Notable Filmmakers | |
| Leo Peelen | m | Olympic Medalists | |
| Peg | f | Fictional Characters from Song Titles | |
| Pegaea | f | Characters in Greek Mythology | |
| Pegasis | f | Characters in Greek Mythology | |
| Pegasus | m | Characters in Greek Mythology | |
| Simon Pegg | m | Notable Actors and Entertainers | |
| Ham Peggotty | m | Fictional Characters from Books | |
| Peggy Sue | f | Fictional Characters from Song Titles | |
| I. M. Pei | m | Notable Artists | |
| Charles Sanders Peirce | m | Notable Philosophers and Thinkers | |
| Peirous | m | Characters in Greek Mythology | |
| Aaron Peirsol | m | Olympic Medalists | |
| Peisianassa | f | Characters in Greek Mythology | |
| Peisis | f | Characters in Greek Mythology | |
| Peitho | f | Characters in Greek Mythology | |
| Peitho | f | Characters in Greek Mythology | |
| Floriano Peixoto | m | Brazilian Presidents | |
| Pekah | m | Biblical Characters, Israelite and Judean Kings | |
| Pekahiah | m | Biblical Characters, Israelite and Judean Kings | |
| Mauno Pekkala | m | Finnish Presidents and Prime Ministers | |
| Branko Peković | m | Olympic Medalists | |
| Paquillo Peláez | m | Olympic Medalists | |
| Wilfredo Peláez | m | Olympic Medalists | |
| Pelaiah | m | Biblical Characters | |
| Pelaiah | m | Biblical Characters | |
| Pelaliah | m | Biblical Characters | |
| Pelates | m | Characters in Greek Mythology | |
| Pelates | m | Characters in Greek Mythology | |
| Józef Sebastian Pelczar | m | Saints | |
| Pelé | m | Notable Athletes | |
| Peleg | m | Biblical Characters | |
| Pelegon | m | Characters in Greek Mythology | |
| Larisa Peleshenko | f | Olympic Medalists | |
| Pelet | m | Biblical Characters | |
| Pelet | m | Biblical Characters | |
| Peleth | m | Biblical Characters | |
| Peleth | m | Biblical Characters | |
| Peleus | m | Characters in Greek Mythology | |
| Henry Pelham | m | British Prime Ministers | |
| Thomas Pelham-Holles | m | British Prime Ministers | |
| Pelias | m | Characters in Greek Mythology | |
| Jure Pelivan | m | Other Leaders | |
| Giuseppe Pella | m | Italian Presidents and Prime Ministers | |
| Annie Pelletier | f | Olympic Medalists | |
| Marie-Euphrasie Pelletier | f | Saints | |
| Luigi Pelloux | m | Italian Presidents and Prime Ministers | |
| Pelops | m | Characters in Greek Mythology | |
| Peloris | f | Characters in Greek Mythology | |
| Marie-Anne Pelras | f | Saints | |
| Urho Peltonen | m | Olympic Medalists | |
| Will Peltz | m | Notable Actors and Entertainers | |
| Lawrence PeMan | m | Saints | |
| Afonso Pena | m | Brazilian Presidents | |
| Antonio Peñalver | m | Olympic Medalists | |
| Penarddun | f | Characters in Celtic Mythology | |
| Mike Pence | m | Notable Politicians and Statespeople | |
| Mel Pender Jr | m | Olympic Medalists | |
| Krzysztof Penderecki | m | Notable Musicians | |
| Terry Pendleton | m | Most Valuable Players | |
| Penelope | f | Characters in Greek Mythology | |
| Peneus | m | Characters in Greek Mythology | |
| Peng Bo | m | Olympic Medalists | |
| Peninnah | f | Biblical Characters | |
| Ty Pennington | m | Notable Actors and Entertainers | |
| Nelleke Penninx | f | Olympic Medalists | |
| Herb Pennock | m | Hall-of-Famers | |
| Roger Penrose | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Rupert Penry-Jones | m | Notable Actors and Entertainers | |
| Penthesilia | f | Characters in Greek Mythology | |
| Pentheus | m | Characters in Greek Mythology | |
| Thomas "Diplo" Pentz | m | Notable Musicians | |
| Penuel | m | Biblical Characters | |
| Penuel | m | Biblical Characters | |
| Arno Allan Penzias | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Willie Pep | m | Notable Athletes | |
| Antonios Pepanos | m | Olympic Medalists | |
| Bram Peper | m | Notable Politicians and Statespeople | |
| Pephredo | f | Characters in Greek Mythology | |
| Pépin the Short | m | Frankish and French Kings | |
| Pepper | f | Fictional Characters from Television | |
| Jasmina Perazić | f | Olympic Medalists | |
| Jean-Gabriel Perboyre | m | Saints | |
| Danny Percell | m | Fictional Characters from Television | |
| Spencer Perceval | m | British Prime Ministers | |
| Sir Percival | m | Arthurian Characters | |
| Esme Percy | m | Notable Actors and Entertainers | |
| Henry "Hotspur" Percy | m | Shakespearian Characters | |
| Henry Percy, Earl of Northumberland | m | Shakespearian Characters | |
| Iain Percy | m | Olympic Medalists | |
| Kate Percy | f | Shakespearian Characters | |
| Thomas Percy | m | Shakespearian Characters | |
| Perdita | f | Shakespearian Characters | |
| Perdix | m | Characters in Greek Mythology | |
| Marie-José Pérec | f | Olympic Medalists | |
| Missy Peregrym | f | Notable Actors and Entertainers | |
| Maxi Pereira | m | Notable Athletes | |
| Ubiratan Pereira Maciel | m | Hall-of-Famers, Olympic Medalists | |
| Shimon Peres | m | Israeli Presidents and Prime Ministers, Nobel Prize Winners | |
| Peresh | m | Biblical Characters | |
| Carlo Peretti | m | Olympic Medalists | |
| Perez | m | Biblical Characters | |
| Adolfo Pérez Esquivel | m | Nobel Prize Winners | |
| Ana Petra Pérez Florido | f | Saints | |
| Conrado Pérez Armenteros | m | Olympic Medalists | |
| Juan Carlos Perez | m | Olympic Medalists | |
| Luis Alberto Pérez-Rionda | m | Olympic Medalists | |
| Tony Pérez | m | Hall-of-Famers, Notable Athletes | |
| Giovanni Battista Pergolesi | m | Notable Musicians | |
| Pericles | m | Notable Military Figures, Notable Politicians and Statespeople | |
| Periphas | m | Characters in Greek Mythology | |
| Đorđe Perišić | m | Olympic Medalists | |
| Peristhenes | m | Characters in Greek Mythology | |
| Perius | m | Characters in Greek Mythology | |
| Carl Perkins | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| John M. Perkins | m | Fictional Characters from Song Titles | |
| Kieren Perkins | m | Olympic Medalists | |
| Sam Perkins | m | Olympic Medalists | |
| Goran Perkovac | m | Notable Athletes, Olympic Medalists | |
| Martin Lewis Perl | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Reto Perl | m | Olympic Medalists | |
| Ron Perlman | m | Notable Actors and Entertainers | |
| Saul Perlmutter | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Andrey Perlov | m | Olympic Medalists | |
| Turhan Përmeti | m | Albanian Presidents and Prime Ministers | |
| J. Perol | m | Olympic Medalists | |
| Eva Perón | f | Notable Politicians and Statespeople | |
| Perpetua | f | Saints | |
| José Perpina Nacher | m | Saints | |
| Jacques Perrier | m | Olympic Medalists | |
| Jean Baptiste Perrin | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Corey Perry | m | Most Valuable Players, Notable Athletes, Olympic Medalists | |
| Fred Perry | m | Notable Athletes | |
| Gaylord Perry | m | Hall-of-Famers, Notable Athletes | |
| Jeff Perry | m | Notable Actors and Entertainers | |
| Joe Perry | m | Hall-of-Famers | |
| Joe Perry | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| Katy Perry | f | Notable Musicians | |
| Matthew Perry | m | Notable Actors and Entertainers | |
| Rick Perry | m | Notable Politicians and Statespeople | |
| Saint-John Perse | m | Nobel Prize Winners, Notable Writers | |
| Perseis | f | Characters in Greek Mythology | |
| Perseon | m | Characters in Greek Mythology | |
| Persephone | f | Characters in Greek Mythology | |
| Persephone | f | Fictional Characters from Song Titles | |
| Perses | m | Characters in Greek Mythology | |
| Perses | m | Characters in Greek Mythology | |
| Perses | m | Characters in Greek Mythology | |
| Perseus | m | Characters in Greek Mythology | |
| Perseus | m | Characters in Greek Mythology | |
| Irina Pershina | f | Olympic Medalists | |
| Persis | f | Biblical Characters | |
| Angeline Persopolis | f | Fictional Characters from Books | |
| Gösta Persson | m | Olympic Medalists | |
| Sandro Pertini | m | Italian Presidents and Prime Ministers | |
| Enrico Perucconi | m | Olympic Medalists | |
| Peruda | m | Biblical Characters | |
| Pietro Perugino | m | Notable Artists | |
| Max Perutz | m | Nobel Prize Winners | |
| Květa Peschke | f | Notable Athletes | |
| Joe Pesci | m | Notable Actors and Entertainers, Oscar Award Winners | |
| Henri Peslier | m | Olympic Medalists | |
| Auguste Pesloy | m | Olympic Medalists | |
| Jan Pesman | m | Olympic Medalists | |
| Epitácio Pessoa | m | Brazilian Presidents | |
| Samantha Peszek | f | Olympic Medalists | |
| Petar I | m | Bulgarian Kings and Tsars, Saints | |
| Petar II | m | Bulgarian Kings and Tsars | |
| Petar II | m | Serbian Kings, Tsars and Princes | |
| Petar III | m | Bulgarian Kings and Tsars | |
| Petar IV | m | Bulgarian Kings and Tsars | |
| Pete | m | Fictional Characters from Movies | |
| Friar Peter | m | Shakespearian Characters | |
| Peter | m | Biblical Characters, Bishops of Rome and the Popes, Saints | |
| Peter | m | Shakespearian Characters | |
| Peter | m | Fictional Characters from Books, Fictional Characters from Plays and Musicals | |
| Peter | m | Shakespearian Characters | |
| Peter Dung Van Dinh | m | Saints | |
| Peter II of Sebastea | m | Saints | |
| Peter of Pomfret | m | Shakespearian Characters | |
| Peter Rabbit | m | Fictional Characters from Books | |
| Peter To Rot | m | Saints | |
| Péter Urseolo | m | Hungarian Kings and Queens | |
| Peter Vu Dang Khoa | m | Saints | |
| Percy Peter | m | Olympic Medalists | |
| Jan Peters | m | Notable Athletes | |
| Mary Peters | f | Olympic Medalists | |
| Molly Peters | f | Notable Actors and Entertainers | |
| Rotimi Peters | m | Olympic Medalists | |
| Marga Petersen | f | Olympic Medalists | |
| Amanda Peterson | f | Notable Actors and Entertainers | |
| Ann Peterson | f | Olympic Medalists | |
| Tom Petersson | m | Rock and Roll Hall-of-Famers | |
| William Petersson | m | Olympic Medalists | |
| Peteus | m | Characters in Greek Mythology | |
| Pethuel | m | Biblical Characters | |
| Kazys Petkevičius | m | Olympic Medalists | |
| Dimitar Petkov | m | Bulgarian Presidents and Prime Ministers | |
| Mariya Petkova | f | Olympic Medalists | |
| Marija Petković | f | Saints | |
| Veljko Petković | m | Olympic Medalists | |
| Peto | m | Shakespearian Characters | |
| Petraea | f | Characters in Greek Mythology | |
| Petraeus | m | Characters in Greek Mythology | |
| Petrarch | m | Notable Writers | |
| Angela Petrelli | f | Fictional Characters from Television | |
| Nathan Petrelli | m | Fictional Characters from Television | |
| Peter Petrelli | m | Fictional Characters from Television | |
| Simon "Ice King" Petrikov | m | Fictional Characters from Television | |
| Savina Petrilli | f | Saints | |
| Petronax of Monte Cassino | m | Saints | |
| Petronilla | f | Saints | |
| Petronilla | f | Spanish Kings and Queens | |
| Petronius | m | Notable Writers | |
| Aleksandr Petrov | m | Olympic Medalists | |
| Petar Petrov | m | Olympic Medalists | |
| Nadia Petrova | f | Notable Athletes, Olympic Medalists | |
| Yuliya Petrova | f | Olympic Medalists | |
| Aleksandar Petrović | m | Notable Athletes, Olympic Medalists | |
| Dražen Petrović | m | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Aleksandr Petrovsky | m | Fictional Characters from Television | |
| Peter Petrowski | m | Fictional Characters from Television | |
| Petruchio | m | Shakespearian Characters | |
| Petruchio | m | Fictional Characters from Plays and Musicals, Shakespearian Characters | |
| Ingvar Pettersson | m | Olympic Medalists | |
| Joanna Pettet | f | Notable Actors and Entertainers | |
| Peter Pettigrew | m | Harry Potter Characters | |
| Bob Pettit | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Tom Petty | m | Notable Musicians, Rock and Roll Hall-of-Famers | |
| William Petty | m | British Prime Ministers | |
| Alex Pettyfer | m | Notable Actors and Entertainers | |
| Peucon | m | Characters in Greek Mythology | |
| Peulthai | m | Biblical Characters | |
| Edmund Pevensie | m | Fictional Characters from Books | |
| Lucy Pevensie | f | Fictional Characters from Books | |
| Peter Pevensie | m | Fictional Characters from Books | |
| Susan Pevensie | f | Fictional Characters from Books | |
| Antioch Peverell | m | Harry Potter Characters | |
| Cadmus Peverell | m | Harry Potter Characters | |
| Ignotus Peverell | m | Harry Potter Characters | |
| Ludivine Peyrissac-Vernet | f | Fictional Characters from Television | |
| Wendy Peyser | f | Fictional Characters from Television | |
| Phaecomes | m | Characters in Greek Mythology | |
| Phaedra | f | Characters in Greek Mythology | |
| Phaenna | f | Characters in Greek Mythology | |
| Phaenops | m | Characters in Greek Mythology | |
| Phaenops | m | Characters in Greek Mythology | |
| Phaenops | m | Characters in Greek Mythology | |
| Phaeo | f | Characters in Greek Mythology | |
| Phaestus | m | Characters in Greek Mythology | |
| Phaesyla | f | Characters in Greek Mythology | |
| Phaethon | m | Characters in Greek Mythology | |
| Phaethon | m | Characters in Greek Mythology | |
| Phaethon | m | Characters in Greek Mythology | |
| Phaethusa | f | Characters in Greek Mythology | |
| Phagrus | m | Characters in Greek Mythology | |
| Phalces | m | Characters in Greek Mythology | |
| Phalces | m | Characters in Greek Mythology | |
| Phalces | m | Characters in Greek Mythology | |
| Phalias | f | Characters in Greek Mythology | |
| Phanes | m | Characters in Greek Mythology | |
| Phanes | m | Characters in Greek Mythology | |
| Phanes | m | Characters in Greek Mythology | |
| Phantes | m | Characters in Greek Mythology | |
| Phanuel | m | Biblical Characters | |
| Ar-Pharazôn | m | Tolkien's Characters | |
| Phasiades | m | Characters in Greek Mythology | |
| Phasis | m | Characters in Greek Mythology | |
| Phasis | m | Characters in Greek Mythology | |
| Phasyleia | f | Characters in Greek Mythology | |
| Phebe | f | Shakespearian Characters | |
| Pheidas | m | Characters in Greek Mythology | |
| Barrington Pheloung | m | Notable Musicians | |
| Brian Eric Phelps | m | Olympic Medalists | |
| Edmund Phelps | m | Nobel Prize Winners | |
| Jaycie Phelps | f | Olympic Medalists | |
| Michael Phelps | m | Notable Athletes, Olympic Medalists | |
| Pheme | f | Characters in Greek Mythology | |
| Pheraemon | m | Characters in Greek Mythology | |
| Phereboea | f | Characters in Greek Mythology | |
| Phicol | m | Biblical Characters | |
| Phidias | m | Notable Artists | |
| Phila | f | Characters in Greek Mythology | |
| Agnes Phila | f | Saints | |
| Philaemon | m | Characters in Greek Mythology | |
| Philamnus | m | Characters in Greek Mythology | |
| Philario | m | Shakespearian Characters | |
| Darryl Philbin | m | Fictional Characters from Television | |
| Regis Philbin | m | Notable Actors and Entertainers | |
| Philemon | m | Biblical Characters, Saints | |
| Philemon | m | Characters in Greek Mythology | |
| Philemon of Cyzicus | m | Saints | |
| Philetus | m | Saints | |
| Philetus | m | Biblical Characters | |
| Philharmonus | m | Shakespearian Characters | |
| Philibert of Jumièges | m | Saints | |
| Philinus | m | Characters in Greek Mythology | |
| Philip | m | Biblical Characters, Saints | |
| Philip | m | Bishops of Rome and the Popes | |
| Philip | m | Shakespearian Characters | |
| Philip III Arrhidaeus | m | Egyptian Pharaohs, Other Royalty, Persian and Iranian Kings and Queens | |
| Philip Siphong Onphitak | m | Saints | |
| Philip the Bastard | m | Shakespearian Characters | |
| Philip the Evangelist | m | Biblical Characters, Saints | |
| Philip the Tetrarch | m | Biblical Characters | |
| Philip, Duke of Edinburgh | m | Other Royalty | |
| Philippe II Augustus | m | Frankish and French Kings, Shakespearian Characters | |
| Philipp of Swabia | m | German Kings and Holy Roman Emperors | |
| Philippe | m | Hurricanes and Tropical Storms | |
| Philippe | m | Other Royalty | |
| Philippe III the Bold | m | Frankish and French Kings | |
| Philippe IV the Fair | m | Frankish and French Kings | |
| Philippe V the Tall | m | Frankish and French Kings | |
| Philippe VI | m | Frankish and French Kings | |
| Édouard Philippe | m | French Presidents and Prime Ministers | |
| Philippikos | m | Roman and Byzantine Emperors | |
| Philippis | f | Characters in Greek Mythology | |
| Andy Phillip | m | Hall-of-Famers, Notable Athletes | |
| Cameron Phillips | f | Fictional Characters from Television | |
| Cassie Phillips | f | Fictional Characters from Television | |
| David Phillips | m | Fictional Characters from Television | |
| John Phillips Marquand | m | Notable Writers, Pulitzer Award Winners | |
| Lou Diamond Phillips | m | Notable Actors and Entertainers | |
| Mia Phillips | f | Fictional Characters from Books | |
| Mike Phillips | m | Notable Athletes | |
| Peg Phillips | f | Notable Actors and Entertainers | |
| Siân Phillips | f | Notable Actors and Entertainers | |
| Tommy Phillips | m | Hall-of-Famers | |
| William Daniel Phillips | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| Zara Phillips | f | Olympic Medalists | |
| Philo | m | Notable Philosophers and Thinkers | |
| Philo | m | Shakespearian Characters | |
| Philoctetes | m | Characters in Greek Mythology | |
| Philogenes | m | Characters in Greek Mythology | |
| Philomela | f | Characters in Greek Mythology | |
| Philomela | f | Characters in Greek Mythology | |
| Philomela | f | Characters in Greek Mythology | |
| Philomela | f | Characters in Greek Mythology | |
| Philomelides | m | Characters in Greek Mythology | |
| Philonilla | f | Saints | |
| Philonis | f | Characters in Greek Mythology | |
| Philonoe | f | Characters in Greek Mythology | |
| Philonome | f | Characters in Greek Mythology | |
| Philosophus of Alexandria | m | Saints | |
| Philostrate | m | Shakespearian Characters | |
| Philotas | m | Characters in Greek Mythology | |
| Philotes | f | Characters in Greek Mythology | |
| Philotus | m | Shakespearian Characters | |
| Philyra | f | Characters in Greek Mythology | |
| Philyra | f | Characters in Greek Mythology | |
| Phinehas | m | Biblical Characters | |
| Phineus | m | Characters in Greek Mythology | |
| Phintas | m | Characters in Greek Mythology | |
| Phintias | m | Characters in Greek Mythology | |
| Nick Phipps | m | Notable Athletes | |
| Phisadie | f | Characters in Greek Mythology | |
| Phleges | m | Characters in Greek Mythology | |
| Phlegon | m | Characters in Greek Mythology | |
| Phlio | f | Characters in Greek Mythology | |
| Phobus | m | Characters in Greek Mythology | |
| Phobus | m | Characters in Greek Mythology | |
| Phocas | m | Saints | |
| Phoebe | f | Biblical Characters, Saints | |
| Phoebe | f | Characters in Greek Mythology | |
| Phoebe | f | Characters in Greek Mythology | |
| Phoebe | f | Characters in Greek Mythology | |
| Phoebe | f | Characters in Greek Mythology | |
| Phoebe | f | Characters in Greek Mythology | |
| Phoebe | f | Characters in Greek Mythology | |
| Sarah Phoenix | f | Fictional Characters from Movies | |
| Phorbas | m | Characters in Greek Mythology | |
| Phorbas | m | Characters in Roman Mythology | |
| Phoroneus | m | Characters in Greek Mythology | |
| Phosterius the Hermit | m | Saints | |
| Photina | f | Saints | |
| Phradmon | m | Characters in Greek Mythology | |
| Phriapatius | m | Persian and Iranian Kings and Queens | |
| Phringus | m | Characters in Greek Mythology | |
| Phrixa | f | Characters in Greek Mythology | |
| Phrixus | m | Characters in Greek Mythology | |
| Phrontis | m | Characters in Greek Mythology | |
| Phrontis | f | Characters in Greek Mythology | |
| Phrontis | m | Characters in Greek Mythology | |
| Phrynia | f | Shakespearian Characters | |
| Phthia | f | Characters in Greek Mythology | |
| Phthia | f | Characters in Greek Mythology | |
| Phthia | f | Characters in Greek Mythology | |
| Phygelus | m | Biblical Characters | |
| Phylacides | m | Characters in Greek Mythology | |
| Phyllis | f | Characters in Greek Mythology | |
| Phyllodoce | f | Characters in Greek Mythology | |
| Phylo | f | Characters in Greek Mythology | |
| Phylodamas | m | Characters in Greek Mythology | |
| Phylodamia | f | Characters in Greek Mythology | |
| Phylomache | f | Characters in Greek Mythology | |
| Phylomedusa | f | Characters in Greek Mythology | |
| Phylonoe | f | Characters in Greek Mythology | |
| Phylonome | f | Characters in Greek Mythology | |
| Physcoa | f | Characters in Greek Mythology | |
| Physis | f | Characters in Greek Mythology | |
| Phyto | f | Characters in Greek Mythology | |
| Édith Piaf | f | Notable Musicians | |
| Giovanni Battista Piamarta | m | Saints | |
| Mike Piazza | m | Hall-of-Famers, Notable Athletes | |
| Ástor Piazzolla | m | Notable Musicians | |
| Jean-Luc Picard | m | Fictional Characters from Television | |
| Pablo Picasso | m | Notable Artists | |
| Maria Angela Picco | f | Saints | |
| Monique Pichery | f | Saints | |
| Steve Pickell | m | Olympic Medalists | |
| T. Boone Pickens | m | Notable Businesspeople | |
| Mary Pickford | f | Notable Actors and Entertainers, Oscar Award Winners | |
| Josep Picó Lladó | m | Olympic Medalists | |
| Valeriy Pidluzhnyy | m | Olympic Medalists | |
| Pidytes | m | Characters in Greek Mythology | |
| Nicolaas Pieck | m | Saints | |
| Marie-Anne Piedcourt | f | Saints | |
| Brittany Pierce | f | Fictional Characters from Television | |
| Franklin Pierce | m | American Presidents | |
| Jack Pierce | m | Olympic Medalists | |
| Jane Pierce | f | American First Ladies | |
| Maggie Pierce | f | Fictional Characters from Television | |
| Mildred Pierce | f | Fictional Characters from Books | |
| Pieria | f | Characters in Greek Mythology | |
| Pieria | f | Characters in Greek Mythology | |
| Pieris | f | Characters in Greek Mythology | |
| Nicolaas Pierson | m | Dutch Prime Ministers | |
| Walter Pierson | m | Saints | |
| Zwarte Piet | m | Fictional Characters from Traditional Tales | |
| Alex Pietrangelo | m | Olympic Medalists | |
| Agostina Livia Pietrantoni | f | Saints | |
| Pietro da Cortona | m | Notable Artists | |
| Paola Pigni-Cacchi | f | Olympic Medalists | |
| Tim Pigott-Smith | m | Notable Actors and Entertainers | |
| Joey Pigza | m | Fictional Characters from Books | |
| Anna Pihl | f | Fictional Characters from Television | |
| Lauri "Lowry" Pihlap | m | Eurovision Song Contest Winners | |
| Pete Pihos | m | Hall-of-Famers | |
| Ants Piip | m | Estonian Presidents and Prime Ministers | |
| Aavo Pikkuus | m | Olympic Medalists | |
| Pildash | m | Biblical Characters | |
| Mitch Pileggi | m | Notable Actors and Entertainers | |
| Billy Pilgrim | m | Fictional Characters from Books | |
| Paul Pilgrim | m | Olympic Medalists | |
| Scott Pilgrim | m | Fictional Characters from Books, Fictional Characters from Movies | |
| Pilha | m | Biblical Characters | |
| Pierre Pilote | m | Hall-of-Famers, Notable Athletes | |
| Józef Piłsudski | m | Polish Presidents and Prime Ministers | |
| Piltai | m | Biblical Characters | |
| Irma Pince | f | Harry Potter Characters | |
| Doctor Pinch | m | Shakespearian Characters | |
| Pindar | m | Notable Writers | |
| Pindarus | m | Shakespearian Characters | |
| Mike Pinder | m | Rock and Roll Hall-of-Famers | |
| Chris Pine | m | Notable Actors and Entertainers | |
| Jada Pinkett Smith | f | Notable Actors and Entertainers | |
| Bill Pinkney | m | Rock and Roll Hall-of-Famers | |
| Danny Pino | m | Notable Actors and Entertainers | |
| Pinon | m | Biblical Characters | |
| Noël Pinot | m | Saints | |
| Harold Pinter | m | Nobel Prize Winners, Notable Writers | |
| Adriana Moisés Pinto | f | Olympic Medalists | |
| Rodrigo Pinto Pizarro | m | Portuguese Presidents and Prime Ministers | |
| Pio of Pietrelcina | m | Saints | |
| Silvio Piola | m | Notable Athletes | |
| Donald Piper | m | Olympic Medalists | |
| Peter Piper | m | Fictional Characters from Traditional Tales | |
| Scottie Pippen | m | Hall-of-Famers, Notable Athletes, Olympic Medalists | |
| Dan Pippin | m | Olympic Medalists | |
| Piram | m | Biblical Characters | |
| Luigi Pirandello | m | Nobel Prize Winners, Notable Writers | |
| Dominique Pire | m | Nobel Prize Winners | |
| Gordon Pirie | m | Olympic Medalists | |
| Lockwood Pirie | m | Olympic Medalists | |
| Pirithous | m | Characters in Greek Mythology | |
| Philip "Pip" Pirrip | m | Fictional Characters from Books | |
| Robert M. Pirsig | m | Notable Writers | |
| Pisanio | m | Shakespearian Characters | |
| Mariya Pisareva | f | Olympic Medalists | |
| Joe Piscopo | m | Notable Actors and Entertainers | |
| Pisenor | m | Characters in Greek Mythology | |
| Pisenor | m | Characters in Greek Mythology | |
| Pisenor | m | Characters in Greek Mythology | |
| Pisenor | m | Characters in Greek Mythology | |
| Pisenor | m | Characters in Greek Mythology | |
| Tusi Pisi | m | Notable Athletes | |
| Pispah | m | Biblical Characters | |
| Camille Pissarro | m | Notable Artists | |
| Ancient Pistol | m | Shakespearian Characters | |
| Pitana | f | Characters in Greek Mythology | |
| Pithon | m | Biblical Characters | |
| Pithus | m | Characters in Greek Mythology | |
| Pithus | m | Characters in Greek Mythology | |
| Rick Pitino | m | Hall-of-Famers | |
| Didier Pitre | m | Hall-of-Famers | |
| Brad Pitt | m | Notable Actors and Entertainers, Oscar Award Winners | |
| William Pitt the Elder | m | British Prime Ministers | |
| William Pitt the Younger | m | British Prime Ministers | |
| R. C. Pitts | m | Olympic Medalists | |
| Pityocamptes | m | Characters in Greek Mythology | |
| Pitys | f | Characters in Greek Mythology | |
| Pius I | m | Bishops of Rome and the Popes, Saints | |
| Pius IX | m | Bishops of Rome and the Popes, Saints | |
| Pius X | m | Bishops of Rome and the Popes, Saints | |
| Pius XI | m | Bishops of Rome and the Popes | |
| Pius XII | m | Bishops of Rome and the Popes, Saints | |
| Piye | m | Egyptian Pharaohs | |
| Francisco Pizarro | m | Notable Explorers and Adventurers, Notable Military Figures | |
| Placia | f | Characters in Greek Mythology | |
| Daniel Plainview | m | Fictional Characters from Movies | |
| Niceta Plaja Xifra de San Prudencia | f | Saints | |
| Demetra Plakas | f | Notable Musicians | |
| Tony Plana | m | Notable Actors and Entertainers | |
| Max Planck | m | Nobel Prize Winners, Notable Scientists and Inventors | |
| František Plánička | m | Notable Athletes | |
| Eddie Plank | m | Hall-of-Famers | |
| Robert Plant | m | Grammy Award Winners, Notable Musicians, Rock and Roll Hall-of-Famers | |
| Edmund Plantagenet | m | Shakespearian Characters | |
| George Plantagenet, Duke of Clarence | m | Other Royalty, Shakespearian Characters | |
| Richard III | m | English and British Kings and Queens, Shakespearian Characters | |
| Richard Plantagenet | m | Other Royalty, Shakespearian Characters | |
| Jacques Plante | m | Hall-of-Famers, Most Valuable Players, Notable Athletes | |
| Plataea | f | Characters in Greek Mythology | |
| Fernando Platas | m | Olympic Medalists | |
| Michel Platini | m | Notable Athletes | |
| Plato | m | Notable Philosophers and Thinkers | |
| Platon | m | Characters in Greek Mythology | |
| Luanne Platter | f | Fictional Characters from Television | |
| Kjersti Plätzer | f | Olympic Medalists | |
| Plautus | m | Notable Writers | |
| Judy Playfair | f | Olympic Medalists | |
| Daniel Plaza | m | Olympic Medalists | |
| Manuel Plaza | m | Olympic Medalists | |
| Donald Pleasence | m | Notable Actors and Entertainers | |
| Pleione | f | Characters in Greek Mythology | |
| Pleistinus | m | Characters in Roman Mythology | |
| John Plessington | m | Saints | |
| Joseph Pletinckx | m | Olympic Medalists | |
| Plexippus | m | Characters in Greek Mythology | |
| Plexippus | m | Characters in Greek Mythology | |
| Plexippus | m | Characters in Greek Mythology | |
| George Plimpton | m | Notable Journalists, Notable Writers | |
| Pliny the Elder | m | Notable Scientists and Inventors | |
| Pliny the Younger | m | Notable Writers | |
| Plotinus | m | Notable Philosophers and Thinkers | |
| Evgeni Viktorovich Plushenko | m | Notable Athletes, Olympic Medalists | |
| Plutarch | m | Notable Philosophers and Thinkers | |
| Plutus | m | Characters in Greek Mythology | |
| Pocahontas | f | Other Notables | |
| Pochereth-Hazzebaim | m | Biblical Characters | |
| Pyotr Pochynchuk | m | Olympic Medalists | |
| Herbert Pocket | m | Fictional Characters from Books | |
| Podarge | f | Characters in Greek Mythology | |
| Podargus | f | Characters in Greek Mythology | |
| Podasimus | m | Characters in Greek Mythology | |
| Podes | m | Characters in Greek Mythology | |
| Sturgis Podmore | m | Harry Potter Characters | |
| Edgar Allan Poe | m | Notable Writers | |
| Poeas | m | Characters in Greek Mythology | |
| Poeciles | m | Characters in Greek Mythology | |
| Amy Poehler | f | Notable Actors and Entertainers | |
| Poemander | m | Characters in Greek Mythology | |