Namesakes
American First Ladies:
1 first lady
Pat Nixon 1969-1974 
Fictional Characters from Song Titles:
1 character
(character) Pat 1981 Postman Pat And His Black And White Cat
Hall-of-Famers:
3 basketball, 1 baseball, 1 football, 1 ice hockey
(basketball) Harlan "Pat" Page (a.k.a. Pat) 1962
(basketball) Pat Summitt 2000
(ice hockey) Pat LaFontaine 2003
(basketball) Pat Riley 2008
(baseball) Pat Gillick 2011
(football) Pat Bowlen 2019
Notable Actors and Entertainers:
4 actors, 1 presenter
Pat O'Brien 1899-1983
Pat Hingle 1924-2009
Pat Morita 1932-2005
Pat Laffan 1939-2019
Pat Sajak 1946-
Notable Athletes:
1 ice hockey, 1 soccer, 1 tennis
(soccer) Pat Jennings 1945-
(ice hockey) Pat LaFontaine 1965-
(tennis) Pat Cash 1965-
Notable Musicians:
2 singers, 1 musician
Pat Boone 1934-
Pat Benatar 1953-
Pat Torpey 1953-2018
Notable Writers:
1 author
Pat Barker 1943-
Olympic Medalists:
3 gold, 3 silver, 1 silver/gold
(silver/gold) Pat McDonald 1912; 1920 shot put; shot put - both hands; 56 lb weight throw
(silver) Patrick J. Flynn (a.k.a. Pat) 1920 3000 m steeplechase
(gold) Pat O'Callaghan 1928; 1932 hammer throw
(gold) Pat McCormick 1952; 1956 diving - springboard; diving - platform
(silver) Pat Summitt 1976 basketball
(gold) Pat Borders 2000 baseball
(silver) Patrick Dwyer (a.k.a. Pat) 2004 4x400 m relay
Rock and Roll Hall-of-Famers:
2 musicians
Pat Smear 2021 Foo Fighters
Pat Benatar 2022 Pat Benatar