Leon (English, German, Dutch, Russian version), Léon (French version), León (Spanish version) may refer to: •
Leon (mathematician) (fl. 400 BC), Greek mathematician, precursor of Euclid •
Leon of Modena (1571–1648), Venetian scholar •
Leon of Pella, Macedonian historian •
Leon of Phlius (fl. c. 620 BC), tyrant of his city •
Leon of Salamis (died 406 or 403 BC), Athenian politician and naval commander •
Leon of Sparta, Spartan king •
León Aillaud (1880–1936), Mexican politician •
Leon Ashley (1936–2013), American country music singer and songwriter •
Leon Askin (1907-2005), Austrian actor •
Leon Bailey (born 1997), Jamaican footballer •
Léon Bakst (1866–1924), Russian painter and scene- and costume designer •
Leon Bates (labor leader) (1899–1972), American union leader •
Léon Benigni (1892–1948), French fashion illustrator •
Leon Belasco (1902–1988), Russian-American musician and actor •
Leon Benois (1856–1928), Russian architect •
Leon Berkowitz (1911–1987), American abstract painter •
Leon Berry (1914–1996), American organist •
Leon Best (born 1986), Irish football player •
Léon Bloy (1846–1917), French writer •
Léon Blum (1872–1950), French politician and prime minister •
Léon Boëllmann (1862–1897), French composer •
Leon Bourgeois (1851–1925), French politician and prime minister • Léon Breitling (1860–1914), Swiss watchmaker and businessman, founder of
Breitling SA •
Leon Brittan (1939–2015), British politician •
Leon Burns (1942–1984), American football player •
Leon Cadore (1891–1958), American baseball player •
Leon Camier (born 1986), British motorcycle racer •
Léon Chagnaud (1866–1930), French businessman and politician •
Leon Chua, Chinese-American scientist •
Leon Cooper (1930–2024), American physicist and Nobel Prize laureate •
Leon Cooperman (born 1943) American billionaire investor, hedge fund manager •
Leon Czolgosz (1873–1901), American anarchist, assassin of William McKinley •
Leon Dănăilă (born 1933), Romanian neurosurgeon •
Léon Deffontaines (born 1996), French politician •
Léon Dierx (1838–1912), French poet •
Léon Dion (1922–1997), Canadian political scientist •
Leon Draisaitl (born 1995), German ice hockey player •
León Duarte (1928-1976), Uruguayan trade unionist and anarchist •
Leon Durham (born 1957), American baseball player •
Leon Edel (1907–1997), American writer and literary critic •
Leon Edney (born 1935), American admiral •
Leon Edwards (born 1991), UFC Fighter •
Léon Arthur Elchinger (1908–1998), French Catholic archbishop •
León Febres Cordero (1931–2008), Ecuadorian politician and president •
Leon Feldhendler (1910–1945), Polish Jewish resistance fighter •
León Felipe (1884–1968), Spanish poet •
Leon Fleisher (1928–2020), American pianist and conductor •
Léon Foucault (1819–1868), French physicist •
Leon Friedman (legal scholar) (born 1933), American legal scholar •
Leon Friedman (politician) (1886 – 1948), American politician •
Léon Gambetta (1838–1882), French politician and prime minister •
Leon Garfield (1921–1996), British author •
Léon Gaumont (1864–1946), French inventor and industrialist •
Léon Gérin (1863–1951), Canadian lawyer •
León Gieco (born 1951), Argentinian musician and interpreter •
Leon Goldensohn (1911–1961), American psychiatrist and author •
Leon M. Goldstein (died 1999), American university administrator •
Léon Goossens (1897–1988), British oboist •
Leon Goretzka (born 1995), German footballer •
Léon Guérin (1807-1885), French author, poet, and naval historian •
Leon Harrison (1866–1928), English-American rabbi •
Leon Haslam (born 1983), British motorcycle racer •
Leon Hatziioannou (born 1965), Canadian football player •
León Herrera Esteban (1922–2003), Spanish military officer and politician •
Leon Jackson (born 1988), Scottish singer •
Leon Quincy Jackson (1926/1927–1995), American architect and professor •
Leon Jacobs (born 1995), American football player •
Leon James (footballer) (born 2001), Thai footballer •
Leon Jaworski (1905–1982), American lawyer •
Leon Johnson (disambiguation), multiple people •
Leon M. Keer (1934–2021), American engineer •
Leon S. Kennedy (character), protagonist of horror video game series
Resident Evil •
León Klimovsky (1906–1996), Argentine film director, screenwriter and film producer •
Leon Klinghoffer (1916–1985), Jewish-American man who was murdered •
Leon Koudelak (born 1961), Czech guitarist •
Léon Krier (1946–2025), Luxembourgish architect, architectural theorist, urban planner, and author •
Leon Lai (born 1966), Hong Kong actor and singer •
Leon Lederman (1922–2018), American physicist and Nobel Prize winner •
Leon Leyson (1929–2013), Polish-American Holocaust survivor and author •
Léon Augustin Lhermitte (1844–1925), French painter and etcher •
Leon Lundy, Bahamian politician •
Léon Marchand (born 2002), French swimmer •
Leon Marchlewski (1869–1946), Polish chemist •
Leon McKenzie (born 1978), British football player •
Leon McQuay III (born 1994), American football player •
Leon P. Miller (1899–1980), American lawyer, politician, and judge •
Leon Milo (1956–2014), American musician •
Leon Monde (1895-1931), American basketball player •
Leon Moser (1942–1995), American murderer •
Léon Motchane (1900–1990), French industrialist and mathematician •
Leon O'Neal Jr. (born 1998), American football player •
Leon Orr (born 1992), American football player •
Leon Panetta (born 1938), American politician •
Leon Pescheret (1892–1971), British-American designer, watercolorist, etcher, and illustrator •
Léon Pétillon (1903–1996), Belgian politician •
Léon Abel Provancher (1820–1892), Canadian priest and naturalist •
Leon Punch (1928–1991), Australian politician •
Leon Radosevic (born 1990), Croatian basketball player •
Leon Redbone (1949–2019), American singer and songwriter •
Leon Robinson (born 1962), American actor and singer •
Leon Rotman (born 1934), Romanian canoer •
Leon Russell (1942–2016), American singer and songwriter •
Léon Say (1826–1896), French economist and politician •
Leon Schiller (1887–1954), Polish director and composer •
Leon Schlesinger (1884–1949), American film producer •
Noël Regney, born Léon Schlienger (1922–2002), French songwriter •
Leon Schuster (born 1951), South African filmmaker, actor and musician •
Leon Shamroy (1901–1974), American film cinematographer •
Leon Simon (Zionist) (1881–1965), British intellectual and civil servant •
Leon Sperling (1900–1941), Polish footballer •
Léon Spilliaert (1881–1946), Belgian painter •
Leon Spinks (1953–2021), American boxer •
Leon Sullivan (1922–2001), American civil rights leader •
Leon Sylvers III (born 1953), American singer, songwriter, record producer and musician •
Leon Taylor (born 1977), British swimmer •
Léon Teisserenc de Bort (1855–1913), French meteorologist •
Léon Theremin (1896–1993), Russian inventor •
Leon Thijssen (born 1968), Dutch show jumper •
Leon Thomas (born 1993), American actor •
Leon Topalian, American businessman, CEO of Nucor •
Leon Trotsky (1879–1940), Russian revolutionary and politician •
Leon Ulbricht (born 2004), German snowboarder •
Leon Underwood (1890–1975), British sculptor, painter and writer •
Leon Uris (1924–2003), American novelist •
Leon Vance (1916–1944), American aviators •
Leon V of Armenia (1342–1393), King of Armenia •
Léon Vaudoyer (1803–1872), French architect •
Léon Walras (1834–1910), French economist •
Leon Ware (1940–2017), American singer, songwriter and producer •
Leon White (1955–2018), American wrestler, better known as Big Van Vader •
Leon Wilkeson (1952–2001), American bassist, member of the rock band Lynyrd Skynyrd •
Leon Norman Williams (1914–1999), British barrister and philatelic writer •
León Zuleta (1952–1993), Colombian LGBT activist and writer ==Fictional characters==