| Saint Patrick | 5th-century Romano-British Ch… | 385–461 |
| Tera Patrick | American pornographic actress | 1976 |
| Devdutt Pattanaik | Indian physician; leadership … | 1970 |
| Thorsten J. Pattberg | German philologist | 1977 |
| Chris Patten | British politician and coloni… | 1944 |
| Clair Cameron Patterson | American chemist and geochemi… | 1922–1995 |
| James Patterson | American author | 1947 |
| William A. Patterson | President of United Airlines … | 1899–1980 |
| Robert Pattinson | English actor | 1986 |
| Mark Pattison | English author and Church of … | 1813–1884 |
| George S. Patton | United States Army general | 1885–1945 |
| Mike Patton | American singer | 1968 |
| Edith Pattou | American children's writer | |
| Anand Patwardhan | Indian film director | 1950 |
| Arin Paul | Indian film director | 1980 |
| Caroline Paul | American writer | 1963 |
| Celia Paul | British artist | 1959 |
| DJ Paul | American rapper and record pr… | 1977 |
| Donita K. Paul | American writer | 1950 |
| Gregory Scott Paul | U.S. researcher, author, pale… | 1954 |
| Jean Paul | German novelist | 1763–1825 |
| Rand Paul | American politician, ophthalm… | 1963 |
| Ron Paul | American politician and physi… | 1935 |
| Sheryl Paul | | |
| Vincent de Paul | French priest, founder and sa… | 1581–1660 |
| Wolfgang Paul | | |
| Nicolae Paulescu | Romanian academic | 1869–1931 |
| Wolfgang Pauli | Austrian physicist, Nobel pri… | 1900–1958 |
| Linus Pauling | American scientist | 1901–1994 |
| John Allen Paulos | American mathematician | 1945 |
| Gary Paulsen | American writer and musher | 1939 |
| Pat Paulsen | United States Marine | 1927–1997 |
| Henry Paulson | 74th United States Secretary … | 1946 |
| Friedrich Paulus | German general | 1890–1957 |
| Trina Paulus | American writer | 1932–1963 |
| Pausanias | Ancient Greek geographer | 110–180 |
| Randy Pausch | American professor of compute… | 1960–2008 |
| Laura Pausini | Italian singer | 1974 |
| Luciano Pavarotti | Italian operatic tenor | 1935–2007 |
| Michelle Paver | English children's fiction wr… | 1960 |
| Ken Pavés | American hairdresser | |
| Cesare Pavese | Italian poet, novelist, liter… | 1908–1950 |
| Milorad Pavić | Serbian writer | 1929–2009 |
| Stel Pavlou | British writer | 1970 |
| Ivan Pavlov | Russian physiologist | 1849–1936 |
| Anna Pavlova | Russian ballet dancer | 1881–1931 |
| Gleb Pavlovsky | Russian political scientist | 1951 |
| Alessandro Pavolini | Italian politician and writer | 1903–1945 |
| Łukasz Pawlikowski | Polish cellist | 1997 |
| Tony Pawson | | |
| Ken Paxton | American politician | 1962 |
| Sara Paxton | American actress, model and s… | 1988 |
| John Howard Payne | American actor and writer | 1791–1852 |
| Liam Payne | English singer and songwriter | 1993 |
| Pierre Stephen Robert Payne | British lecturer, novelist, h… | 1911–1983 |
| Rob Payne | Canadian writer | 1973 |
| Stanley G. Payne | American historian | 1934 |
| Jules Payot | French educationist | 1859–1940 |
| Edward Payson | American religious leader | 1783–1827 |
| Octavio Paz | Mexican writer laureated with… | 1914–1998 |
| George Peacock | Scottish mathematician | 1791–1858 |
| Thomas Love Peacock | English novelist, poet, and o… | 1785–1866 |
| Mervyn Peake | English writer, artist, poet … | 1911–1968 |
| Norman Vincent Peale | American writer | 1898–1993 |
| Giuseppe Peano | Italian mathematician | 1858–1932 |
| Jonathan Pearce | British football commentator | 1959 |
| Joseph Chilton Pearce | American writer | 1926–2016 |
| Philippa Pearce | English children's writer | 1920–2006 |
| Nancy Pearcey | American philosopher | 1952 |
| Bill Pearl | American bodybuilder | 1935 |
| Judea Pearl | Computer scientist | 1936 |
| Matthew Pearl | American writer | 1975 |
| Nancy Pearl | American librarian and writer | 1945 |
| Stephanie Pearl-McPhee | Canadian writer | 1968 |
| David Pears | | |
| Iain Pears | British writer and art histor… | 1955 |
| Paul Pearsall | | |
| Patrick Pearse | Irish revolutionary, shot by … | 1879–1916 |
| Karl Pearson | English mathematician and bio… | 1857–1936 |
| Kevin W. Pearson | General authority of LDS Chur… | 1957 |
| Kit Pearson | Canadian writer | 1947 |
| Lester B. Pearson | 14th Prime Minister of Canada | 1897–1972 |
| Mary E. Pearson | young-adult fiction writer | 1955 |
| Maryon Pearson | Wife of Prime Minister of Can… | 1901–1989 |
| Ridley Pearson | American writer | 1953 |
| Neil Peart | Canadian-American drummer , l… | 1952–2020 |
| Allan Pease | Australian motivational speak… | 1952 |
| F. David Peat | British physicist | 1938–2017 |
| Max Pechstein | German artist | 1881–1955 |
| Gregory Peck | American actor | 1916–2003 |
| M. Scott Peck | American psychiatrist | 1936–2005 |
| Ralph Brazelton Peck | American civil engineer | 1912–2008 |
| Robert Newton Peck | American children's writer | 1928 |
| John Peckham | Archbishop of Canterbury | 1227–1292 |
| Sam Peckinpah | American film director and sc… | 1925–1984 |
| Charles J. Pedersen | American organic chemist | 1904–1989 |
| Jim Peebles | Canadian-American astronomer | 1935 |
| Kim Peek | American savant, model for th… | 1951–2009 |
| Robert Peel | British Conservative statesman | 1788–1850 |
| George Peele | English translator and poet | 1556–1596 |
