Namesakes
Leonard of Noblac
(m) ?-559 
Saints
Leonard of Vandoeuvre
(m) ?-570
Saints
Leonardus van Veghel
(a.k.a. Leonard) (m) ?-1572
Saints
Leonard Kimura
(m) ?-1619
Saints
Leonardo of Porto Maurizio
(a.k.a. Leonard) (m) 1676-1751
Saints
Nicolas Léonard Sadi Carnot
(m) 1796-1832
Notable Scientists and Inventors
Léon Faucher
(m) 1803-1854
French Presidents and Prime Ministers 1851 (prime minister)
Justinus van der Brugghen
(a.k.a. Leonard) (m) 1804-1863
Dutch Prime Ministers 1856-1858
Hjalmar Hammarskjöld
(a.k.a. Leonard) (m) 1862-1953
Swedish Prime Ministers 1914-1917
Georges Theunis
(a.k.a. Léonard) (m) 1873-1966
Belgian Prime Ministers 1921-1925; 1934-1935
Jimmy Tremeer
(a.k.a. Leonard) (m) 1874-1951
Olympic Medalists 1908 400 m hurdles (bronze)
Jack L. Warner
(a.k.a. Leonard) (m) 1892-1978
Notable Businesspeople
Canada Lee
(a.k.a. Leonard) (m) 1907-1952
Notable Actors and Entertainers (actor)
James Callaghan
(a.k.a. Leonard) (m) 1912-2005
British Prime Ministers 1976-1979
Leonard Bernstein
(m) 1918-1990
Notable Musicians
Arthur Leonard Schawlow
(m) 1921-1999
Nobel Prize Winners 1981 (physics)
Notable Scientists and Inventors
Leo Tindemans
(m) 1922-2014
Belgian Prime Ministers 1974-1978
Buddy Hackett
(a.k.a. Leonard) (m) 1924-2003
Notable Actors and Entertainers (actor)
Lenny Bruce
(m) 1925-1966
Notable Actors and Entertainers (comedian)
Len Ford
(m) 1926-1972
Hall-of-Famers 1976 (football)
Leonard "Red" Kelly
(m) 1927-2019
Hall-of-Famers 1969 (ice hockey)
Notable Athletes (ice hockey)
Lennie Niehaus
(m) 1929-2020
Notable Musicians
Leonard Nimoy
(m) 1931-2015
Notable Actors and Entertainers (actor)
Leon Gregory
(m) 1932-
Olympic Medalists 1956 4x400 m relay (silver)
Leo Canjels
(m) 1933-2010
Notable Athletes (soccer)
Lenny Moore
(m) 1933-
Hall-of-Famers 1975 (football)
Leonard Cohen
(m) 1934-2016
Notable Musicians
Rock and Roll Hall-of-Famers 2008
Len Dawson
(m) 1935-2022
Hall-of-Famers 1987 (football)
Notable Athletes (football)
Lenny Wilkens
(m) 1937-
Hall-of-Famers 1989; 1998 (basketball)
Notable Athletes (basketball)
Leonard Frey
(m) 1938-1988
Notable Actors and Entertainers (actor)
Len Cariou
(m) 1939-
Notable Actors and Entertainers (actor)
Barry Corbin
(a.k.a. Leonard) (m) 1940-
Notable Actors and Entertainers (actor)
Gareth Hunt
(a.k.a. Leonard) (m) 1942-2007
Notable Actors and Entertainers (actor)
Lenny Davidson
(m) 1944-
Rock and Roll Hall-of-Famers 2008 The Dave Clark Five
Timothy Dalton
(a.k.a. Leonard) (m) 1946-
Notable Actors and Entertainers (actor)
Ed O'Neill
(a.k.a. Leonard) (m) 1946-
Notable Actors and Entertainers (actor)
Eckhart Tolle
(a.k.a. Leonard) (m) 1948-
Notable Writers
Jonathan Cain
(a.k.a. Leonard) (m) 1950-
Rock and Roll Hall-of-Famers 2017 Journey
Gregg L. Semenza
(a.k.a. Leonard) (m) 1956-
Nobel Prize Winners 2019 (medicine)
Timothy Spall
(a.k.a. Leonard) (m) 1957-
Notable Actors and Entertainers (actor)
Adrian Lukis
(a.k.a. Leonard) (m) 1957-
Notable Actors and Entertainers (actor)
Lenny Kravitz
(m) 1964-
Notable Musicians
Leonard "Bones" McCoy
(m)
Fictional Characters from Television 1966 Star Trek
Lenny Abrahamson
(m) 1966-
Notable Filmmakers
Leonard Waggedorn
(m)
Fictional Characters from Television 1968 Julia
Jairo Patiño
(a.k.a. Leonard) (m) 1978-
Notable Athletes (soccer)
Leonard
(m)
Fictional Characters from Song Titles 1980 Leonard
Joseph Gordon-Levitt
(a.k.a. Leonard) (m) 1981-
Notable Actors and Entertainers (actor)
Big Sean
(a.k.a. Leonard) (m) 1988-
Notable Musicians
Lennie Briscoe
(a.k.a. Leonard) (m)
Fictional Characters from Television 1990 Law & Order
Leo Chingkwake
(m)
Fictional Characters from Television 1998 That '70s Show
Stan Smith
(a.k.a. Leonard) (m)
Fictional Characters from Television 2005 American Dad!
Leonard Hofstadter
(m)
Fictional Characters from Television 2007 The Big Bang Theory
Leonard
(m)
Fictional Characters from Song Titles 2012 Leonard
Leonard Peacock
(m)
Fictional Characters from Books 2013 Forgive Me, Leonard Peacock