| Lil Peep | American rapper | 1996–2017 |
| Aubrey Peeples | American actress | 1993 |
| Michael Peers | Canadian bishop | 1934 |
| Francis Pegahmagabow | World War I sniper | 1891–1952 |
| Charles Péguy | French poet, essayist, and ed… | 1873–1914 |
| I.M. Pei | Chinese American architect | 1917–2019 |
| Wu Peifu | Chinese general | 1878–1939 |
| Leonard Peikoff | Canadian-American philosopher | 1933 |
| Joachim Peiper | SS officer | 1915–1976 |
| Benjamin Peirce | American mathematician | 1809–1880 |
| Charles Sanders Peirce | American philosopher, logicia… | 1839–1914 |
| Malik Peiris | Sri Lankan scientist | 1949 |
| Richard Peirse | Royal Air Force air marshal | 1892–1970 |
| Hau Pei-tsun | Taiwanese politician | 1919 |
| Harvey Pekar | writer | 1939–2010 |
| Arndt Pekurinen | Finnish pacifist | 1905–1941 |
| Pelagius | British monk | 360–420 |
| Pelé | Brazilian association footbal… | 1940–2022 |
| Victor Pelevin | Russian author | 1962 |
| Jaroslav Pelikan | US historian of Christianity,… | 1923–2006 |
| George Pell | Australian Catholic cardinal … | 1941–2023 |
| Scott Pelley | American television journalis… | 1957 |
| Nancy Pelosi | American politician, first fe… | 1940 |
| Chanelle Peloso | Canadian actress | 1994 |
| Francisco Pelsaert | Dutch merchant, commander of … | 1591–1630 |
| Leonard Peltier | Native American activist | 1944 |
| Dave Pelzer | American author | 1960 |
| Henry Pemberton | British doctor | 1694–1771 |
| Jean-Marie Le Pen | French right-wing and nationa… | 1928 |
| Marine Le Pen | French lawyer and politician | 1968 |
| Christopher Oscar Peña | | |
| Yamilet Peña | female gymnast from the Domin… | 1992 |
| Enrique Peñalosa | Colombian politician | 1954 |
| Karen Pence | First Lady of Indiana, school… | 1958 |
| Mike Pence | 48th Vice President of the Un… | 1959 |
| Arthur Uther Pendragon | British activist | 1954 |
| Polycarp Pengo | Catholic cardinal | 1944 |
| Sharon Kay Penman | American historical novelist | 1945 |
| Kal Penn | American actor and civil serv… | 1977 |
| Mark Penn | American political consultant | 1954 |
| Sean Penn | American actor, screenwriter,… | 1960 |
| William Penn | English real estate entrepren… | 1644–1718 |
| Daniel Pennac | French author | 1944 |
| Stef Penney | British writer | 1969 |
| Laura Penny | Canadian journalist | 1975 |
| Laurie Penny | English journalist | 1986 |
| Louise Penny | Canadian woman writer | 1958 |
| Sara Pennypacker | American children's writer (p… | 1951 |
| Edith Penrose | economist | 1914–1996 |
| Roger Penrose | English mathematical physicis… | 1931 |
| James Wilde, 1st Baron Penzance | British judge and rose breeder | 1816–1899 |
| Arno Allan Penzias | American physicist | 1933 |
| Catherine Pepinster | | 1959 |
| Alessandro Pepoli | Italian writer | 1757–1796 |
| Rebel Pepper | Chinese political cartoonist | 1973 |
| Samuel Pepys | English naval administrator a… | 1633–1703 |
| Murray Perahia | American classical pianist an… | 1947 |
| Nazrin Shah of Perak | | |
| Jose Peralta | American politician | 1971–2018 |
| Luís María Peralta | | |
| Harold W. Percival | Barbadian writer | 1868–1953 |
| James Gates Percival | American geologis, poet, and … | 1795–1856 |
| John Percival | British agricultural botanist | 1863–1949 |
| Martyn Percy | British Anglican priest and t… | 1962 |
| Walker Percy | Southern philosophical noveli… | 1916–1990 |
| Sonny Perdue | 31st and current United State… | 1946 |
| Francisco Perea | Union Army officer | 1830–1913 |
| Georges Perec | French writer | 1936–1982 |
| Duarte Pacheco Pereira | Portuguese explorer | 1460–1533 |
| Ivan Pereira | Indian bishop (born 1964) | 1964 |
| Esther Perel | Belgian Psychotherapist and A… | 1958 |
| Grigori Perelman | Russian mathematician | 1966 |
| Michael Perelman | American economist | 1939 |
| S.J. Perelman | American humorist, author, an… | 1904–1979 |
| Bruce Perens | American computer scientist | |
| Asher Peres | Israeli physicist | 1934–2005 |
| Shimon Peres | Israeli politician, 8th prime… | 1923–2016 |
| Gilles Peress | French photojournalist | 1946 |
| Frank E. Peretti | American writer | 1951 |
| Amir Peretz | Israeli politician | 1952 |
| Isaac Leib Peretz | Yiddish language author and p… | 1852–1915 |
| Juan José Cuadros Pérez | Spanish writer | 1926–1990 |
| Arturo Pérez-Reverte | Spanish writer and journalist | 1951 |
| Andreas Paolo Perger | Guitarist, Improviser, Compos… | 1970 |
| Pericles | Greek statesman, orator, and … | -494–-429 BC |
| Patxi Xabier Lezama Perier | sculptor and writer | 1967 |
| Dana Perino | Former White House Press Secr… | 1972 |
| William Henry Perkin | | |
| Frances Perkins | American politician | 1882–1965 |
| John Perkins | American author | 1945 |
| Melanie Perkins | Australian technology entrepr… | 1987 |
| Martin Lewis Perl | American scientist | 1927–2014 |
| George Perle | American composer | 1915–2009 |
| Richard Perle | American government official | 1941 |
| Alan Perlis | American computer scientist | 1922–1990 |
| Elliot Perlman | Australian writer | 1964 |
| Fredy Perlman | Czech anarchist | 1934–1985 |
| Itzhak Perlman | Israeli-American violinist an… | 1945 |
| Ross Perot | American businessman | 1930–2019 |
| Barry Perowne | British crime writer | 1908–1985 |
