Namesakes
Leonid Sobolev
(m) 1844-1913 
Bulgarian Presidents and Prime Ministers 1882-1883 (prime minister)
Leonid Feodorov
(m) 1879-1935
Saints
Leonid Brezhnev
(m) 1906-1982
Other Leaders 1964-1982 Soviet Union (general secretary)
Leonid Kantorovich
(m) 1912-1986
Nobel Prize Winners 1975 (economics)
Notable Philosophers and Thinkers
Leonid Hurwicz
(m) 1917-2008
Nobel Prize Winners 2007 (economics)
Leonid Shcherbakov
(m) 1927-2004
Olympic Medalists 1952 triple jump (silver)
Leonid Spirin
(m) 1932-1982
Olympic Medalists 1956 20 km walk (gold)
Leonid Bartenyev
(m) 1933-2021
Olympic Medalists 1956; 1960 4x100 m relay (silver)
Leonid Kravchuk
(m) 1934-2022
Other Leaders 1991-1994 Ukraine (president)
Leonid Kuchma
(m) 1938-
Other Leaders 1992-1993; 1994-2005 Ukraine (prime minister/president)
Leonid Kulagin
(m) 1940-
Notable Actors and Entertainers (actor)
Leonid Osipov
(m) 1943-2020
Olympic Medalists 1964; 1968; 1972 water polo (bronze/silver/gold)
Leonid Ilyichov
(m) 1948-
Olympic Medalists 1968 swimming - 4x100 m freestyle relay; swimming - 4x100 m medley relay; swimming - 4x200 m freestyle relay (silver/bronze)
Leonid Lytvynenko
(m) 1949-
Olympic Medalists 1972 decathlon (silver)
Leo Komarov
(m) 1987-
Olympic Medalists 2014 ice hockey (bronze)