| Pablo Goncálvez Gallareta | 1992 | Uruguay | 3 |
| Pablo Manuel Ibar Casas | 1994 | USA | 3 |
| Pál Gyömbér | 1888 | Hungary | 5 |
| Pamela Ann Smart | 1990 | USA | 1 |
| Pamela Anne Phillips | 1996 | USA | 1 |
| Pascal Payet | 1988 - 1997 | France | 1 |
| Pasquale Barra | 1970 - 1982 | Italy | 67 |
| Pasquale Conte | 1960 - 1990 | USA | 1 |
| Patrice Alègre | 1989 - 1997 | France | 5+ |
| Patricia Cartier | 2002 | France | 1 |
| Patricia Krenwinkel | 1969 | USA | 3+ |
| Patrick Baxter | 1987 - 1990 | USA | 3 |
| Patrick Carraher | 1934 - 1945 | United Kingdom | 2 |
| Patrick Daniel Henry | 1976 | France | 1 |
| Patrick David Mackay | 1974 - 1975 | United Kingdom | 3+ |
| Patrick Edward Purdy | 1989 | USA | 5 |
| Patrick Eugene Joseph Prendergast | 1893 | USA | 1 |
| Patrick Gene Poland | 1977 | USA | 2 |
| Patrick Henry | 1976 | France | 1 |
| Patrick Henry Murphy Jr. | 2000 | USA | 1 |
| Patrick Tracy Burris | 2009 | USA | 5 |
| Patrick Wayne Kearney | 1962 - 1977 | USA | 21+ |
| Patty Cannon | 1810 - 1829 | USA | 4 |
| Paul C. Hildwin | 1985 | USA | 1 |
| Paul Charles Denyer | 1993 | Australia | 3 |
| Paul Dennis Reid Jr. | 1997 | USA | 9 |
| Paul Durousseau | 1997 - 2003 | USA | 7 |
| Paul Ezra Rhoades | 1987 | USA | 3+ |
| Paul Geidel Jr. | 1911 | USA | 1 |
| Paul Irniger | 1933 - 1937 | Switzerland | 3 |
| Paul Jaworski | 1927 - 1928 | USA | 1 |
| Paul Jennings Hill | 1994 | USA | 2 |
| Paul John Knowles | 1974 | USA | 18+ |
| Paul Joseph Goebbels | 1933 - 1945 | Germany | 6 |
| Paul Kenneth Bernardo | 1987 - 1992 | Canada | 3+ |
| Paul Michael Stephani | 1980 - 1982 | USA | 3 |
| Paul Ogorzow | 1939 - 1941 | Germany | 8+ |
| Paul Petrillo | 1931 - 1938 | Italy | 17+ |
| Paul Runge | 1995 - 1997 | USA | 7+ |
| Paul Steven Haigh | 1978 - 1991 | Australia | 7 |
| Paul Warner Powell | 1999 | USA | 1 |
| Paula Angel | 1861 | USA | 1 |
| Paula R. Cooper | 1985 | USA | 1 |
| Pauline Yvonne Parker | 1954 | New Zealand | 1 |
| Paulino Fernández Vázquez | 1989 | Spain | 7 |
| Pavel Skachevsky | 2006 - 2007 | Russia | 20+ |
| Pavel Voitov | 2014 - 2015 | Russia | 15+ |
| Pawan Kumar Gupta | 2012 | India | 1 |
| Pedro Alonso López | 1969 - 1980 | Colombia | 300+ |
| Pedro Pablo Nakada Ludeña | 2005 - 2006 | Peru | 17+ |
| Pedro Padilla Flores | 1986 - 1998 | Mexico | 4 |
| Pedro Rodrigues Filho | 2018 - 2023 | Brazil | 71 |
| Pekka-Eric Auvinen | 2007 | Finland | 8 |
| Penny Patricia Boudreau | 2008 | Canada | 1 |
| Per Anders Eklund | 2000 - 2008 | Sweden | 2+ |
| Per Pålsson | 1853 | Sweden | 1 |
| Percy Lefroy Mapleton | 1881 | England | 1 |
| Percy Levar Walton | 1996 | USA | 3 |
| Perry Edward Smith | 1959 | USA | 4 |
| Pervis Tyrone Payne | 1987 | USA | 2 |
| Peter Anthony Allen | 1964 | United Kingdom | 1 |
| Peter Anthony Cantu | 1993 | USA | 2 |
| Peter Barnes | 1939 | Ireland | 5 |
| Peter Britton Tobin | 1991 - 2006 | United Kingdom | 3+ |
| Peter Bryan | 1993 - 2004 | United Kingdom | 3 |
| Peter Chester | 1977 | United Kingdom | 1 |
| Peter Demeter | 1973 | Canada | 1 |
| Peter Douglas Rees | 2003 | United Kingdom | 1 |
| Peter Howard Moore | 1995 | United Kingdom | 4 |
| Peter Kenneth Bostrøm Lundin | 1991 - 2000 | USA | 4 |
| Péter Kovács | 1957 - 1967 | Hungary | 4+ |
| Peter Kürten | 1913 - 1929 | Germany | 9+ |
| Peter Niers | 1566 - 1581 | Holy Roman Empire | 544 |
| Peter Norris Dupas | 1985 - 1999 | Australia | 3+ |
| Peter Stumpp | 1564 - 1589 | Germany | 16 - 18 |
| Peter Thomas Anthony Manuel | 1956 - 1958 | United Kingdom | 7+ |
| Peter William Sutcliffe | 1975 - 1980 | United Kingdom | 13+ |
| Peter Woodcock | 1956 - 1957 | Canada | 4 |
| Petr Zelenka | 2006 | Czech Republic | 7 |
| Philip Herbert | 1670 - 1680 | United Kingdom | 2 |
| Philip Markoff | 2009 | USA | 1 |
| Philipp Johann Adolf Schmitt | 1940 - 1945 | Germany | 83+ |
| Philipp Petrovich Tyurin | 1945 - 1946 | Soviet Union | 14+ |
| Phillip Carl Jablonski | 1978 - 1991 | USA | 5 |
| Phillip Dean Hancock | 1982 - 2001 | USA | 2 |
| Phillip Lee Ingle | 1991 | USA | 4 |
| Phillup Alan Partin | 1987 - 2002 | USA | 2 |
| Phoebe Mary Ann Veitch | 1883 | New Zealand | 1 |
| Phoebe McWain Campbell | 1871 | Canada | 1 |
| Phoolan Devi | 1981 | India | 20+ |
| Pierre Chanal | 1980 - 1988 | France | 17 |
| Pierre Corneille Faculyn Basson | 1903 - 1906 | South Africa | 9 |
| Pierre Fernand Bodein | 1969 - 2004 | France | 3 |
| Pierre François Lacenaire | 1834 | | 2 |
| Pierre Jaccoud | 1958 | Switzerland | 1 |
| Piroska Jancsó-Ladányi | 1953 - 1954 | Hungary | 5 |
| Pleasant Pruitt | 1888 - 1902 | USA | 3 |
| Polly Bartlett | 1868 | USA | 22 |
| Ponchai Wilkerson | 1990 | USA | 1 |
| Posteal Laskey Jr. | 1965 - 1966 | USA | 7 |
| Priscilla Joyce Ford | 1980 | USA | 6+ |
