Namesakes

Belgian Prime Ministers: 2 prime ministers
Georges Theunis (a.k.a. Léonard)   1921-1925; 1934-1935  
Leo Tindemans (a.k.a. Leonard)   1974-1978  
British Prime Ministers: 1 prime minister
James Callaghan (a.k.a. Leonard)   1976-1979  
Dutch Prime Ministers: 1 prime minister
Justinus van der Brugghen (a.k.a. Leonard)   1856-1858  
Fictional Characters from Television: 1 character
Leonard "Bones" McCoy   1966   Star Trek  
French Presidents and Prime Ministers: 1 prime minister
(prime minister) Léon Faucher (a.k.a. Léonard)   1851  
Hall-of-Famers: 1 ice hockey
(ice hockey) Leonard "Red" Kelly   1969  
Nobel Prize Winners: 1 medicine, 1 physics
(physics) Arthur Leonard Schawlow   1981  
(medicine) Gregg L. Semenza (a.k.a. Leonard)   2019  
Notable Activists and Revolutionaries: 1 activist
(activist) Leonard Crow Dog   1942-  
Notable Actors and Actresses: 3 actors
Leonard Nimoy   1931-2015  
Gareth Hunt (a.k.a. Leonard)   1942-2007  
Adrian Lukis (a.k.a. Leonard)   1957-  
Notable Athletes: 1 ice hockey, 1 soccer
(ice hockey) Leonard "Red" Kelly   1927-  
(soccer) Jairo Patiño (a.k.a. Leonard)   1978-  
Notable Filmmakers: 1 director
Lenny Abrahamson (a.k.a. Leonard)   1966-  
Notable Musicians: 1 composer, 1 musician, 1 singer
Leonard Bernstein   1918-1990     
Leonard Cohen   1934-2016   folk  
Big Sean (a.k.a. Leonard)   1988-   hip hop  
Notable Writers: 2 authors
Leonard Crow Dog   1942-  
Eckhart Tolle (a.k.a. Leonard)   1948-  
Olympic Medalists: 1 bronze, 1 silver
(bronze) Jimmy Tremeer (a.k.a. Leonard)   1908   400 m hurdles  
(silver) Leon Gregory (a.k.a. Leonard)   1956   4x400 m relay  
Saints: 5 saints, 1 blessed
Saint Leonard of Noblac   ?-559  
Saint Leonard of Vandoeuvre   ?-570  
Saint Leonardus van Veghel (a.k.a. Leonard)   ?-1572  
Blessed Leonard Kimura   ?-1619  
Saint Leonardo of Porto Maurizio (a.k.a. Leonard)   1676-1751  
Saint Leonardo Murialdo (a.k.a. Leonard)   1828-1900  
Swedish Prime Ministers: 1 prime minister
Hjalmar Hammarskjöld (a.k.a. Leonard)   1914-1917  
Title Characters: 2 songs, 1 book
(song) Leonard   1980   Leonard  
(song) Leonard   2012   Leonard  
(book) Leonard Peacock   2013   Forgive Me, Leonard Peacock