Namesakes
Leo
(a.k.a. Leon) (m) 
Characters in Greek Mythology
Leon
(m)
Characters in Greek Mythology
Leon Battista Alberti
(m) 1404-1472
Notable Artists
Léon Faucher
(m) 1803-1854
French Presidents and Prime Ministers 1851 (prime minister)
Léon Foucault
(m) 1819-1868
Notable Scientists and Inventors
Jean-Léon Gérôme
(m) 1824-1904
Notable Artists
Léon Gambetta
(m) 1838-1882
French Presidents and Prime Ministers 1881-1882 (prime minister)
Léon Bourgeois
(m) 1851-1925
French Presidents and Prime Ministers 1895-1896 (prime minister)
Nobel Prize Winners 1920 (peace)
Adolphe Willette
(middle name Léon) (m) 1857-1926
Notable Artists
Léon Epin
(m) 1858-1928
Olympic Medalists 1920 archery - moving target 28 m, team; archery - moving target 33 m, team; archery - moving target 50 m, team (bronze/silver)
Léon Delacroix
(m) 1867-1929
Belgian Prime Ministers 1918-1920
Léon Kauffman
(m) 1869-1952
Other Leaders 1917-1918 Luxembourg (prime minister)
Léon Blum
(m) 1872-1950
French Presidents and Prime Ministers 1936-1937; 1938; 1946-1947 (prime minister)
Henri Deloge
(middle name Léon) (m) 1874-1961
Olympic Medalists 1900 5000 m team (silver)
Léon Jouhaux
(m) 1879-1954
Nobel Prize Winners 1951 (peace)
Lawrence Feuerbach
(a.k.a. Leon) (m) 1879-1911
Olympic Medalists 1904 shot put (bronze)
Leon Trotsky
(m) 1879-1940
Notable Activists and Revolutionaries
Notable Politicians and Statespeople
Leon Kozłowski
(m) 1892-1944
Polish Presidents and Prime Ministers 1934-1935 (prime minister)
Jacques Rueff
(middle name Léon) (m) 1896-1978
Other Leaders 1949-1950 Monaco (prime minister)
Dumarsais Estimé
(a.k.a. Léon) (m) 1900-1953
Haitian Presidents 1946-1950 (president)
Leon "Goose" Goslin
(m) 1900-1971
Hall-of-Famers 1968 (baseball)
Leon Ames
(m) 1902-1993
Notable Actors and Entertainers (actor)
John Marley
(middle name Leon) (m) 1907-1984
Notable Actors and Entertainers (actor)
Leon Day
(m) 1916-1995
Hall-of-Famers 1995 (baseball)
Mike Wallace
(middle name Leon) (m) 1918-2012
Notable Journalists
Leon M. Lederman
(m) 1922-2018
Nobel Prize Winners 1988 (physics)
Notable Scientists and Inventors
Leon Uris
(m) 1924-2003
Notable Writers
Leon Schlumpf
(m) 1925-2012
Swiss Presidents 1984
Leon Cooper
(m) 1930-
Nobel Prize Winners 1972 (physics)
Notable Scientists and Inventors
Leon Gregory
(m) 1932-
Olympic Medalists 1956 4x400 m relay (silver)
Burt Reynolds
(middle name Leon) (m) 1936-2018
Emmy Award Winners 1991 Evening Shade (actor)
Notable Actors and Entertainers (actor)
Jerry Bruckheimer
(middle name Leon) (m) 1943-
Notable Filmmakers
Leon Barmore
(m) 1944-
Hall-of-Famers 2003 (basketball)
Leon Rippy
(m) 1949-
Notable Actors and Entertainers (actor)
Jeff Bridges
(middle name Leon) (m) 1949-
Notable Actors and Entertainers (actor)
Oscar Award Winners 2010 Crazy Heart (actor)
Leon Wilkeson
(m) 1952-2001
Rock and Roll Hall-of-Famers 2006 Lynyrd Skynyrd
Leon Spinks
(m) 1953-2021
Notable Athletes (boxing)
Olympic Medalists 1976 boxing (gold)
Leon de Winter
(m) 1954-
Notable Writers
Leon Wood III
(m) 1962-
Olympic Medalists 1984 basketball (gold)
Artis "Coolio" Ivey
(middle name Leon) (m) 1963-2022
Notable Musicians
Leon
(m)
Fictional Characters from Books 1971 The Mysterious Disappearance of Leon (I Mean Noel)
Léon van Bon
(m) 1972-
Olympic Medalists 1992 cycling - track (silver)
Leon Taylor
(m) 1977-
Olympic Medalists 2004 diving - synchronized platform (silver)
Leon Carp
(m)
Fictional Characters from Television 1988 Roseanne
Leon Draisaitl
(m) 1995-
Most Valuable Players 2020 ice hockey
Notable Athletes (ice hockey)
Leon Vance
(m)
Fictional Characters from Television 2003 NCIS