Leonid

Leonid (Леонид ; Леонід ; Леанід ) is a Slavic version of the given name Leonidas. The French version is Leonide.

People with the name include:
 * Leonid Agutin (born 1968), Russian pop musician and songwriter
 * Leonid Andreyev (1871–1919), Russian playwright and short-story writer who led the Expressionist movement in the national literature
 * Leonid Brezhnev (1906–1982), leader of the USSR from 1964 to 1982
 * Leonid Buryak (b. 1953), USSR/Ukraine-born Olympic-medal-winning soccer player and coach
 * Leonid Bykov (1928–1979), Soviet and Ukrainian actor, film director, and script writer
 * Leonid Desyatnikov (b. 1955), Soviet and Russian opera and film composer
 * Leonid Feodorov (1879–1935), a bishop and Exarch for the Russian Catholic Church, and survivor of the Gulag
 * Leonid Filatov (1946–2003), Soviet and Russian actor, director, poet, and pamphleteer
 * Leonid Gaidai, (1923–1993), Soviet comedy film director
 * Leonid Geishtor (b. 1936), USSR (Belarus)-born Olympic champion Canadian pairs sprint canoer
 * Leonid Gobyato (1875–1915), Russian lieutenant-general and designer of the modern, man-portable mortar
 * Leonid Hurwicz (1917–2008), Russian-born American economist and mathematician who shared the 2007 Nobel Prize in Economics
 * Leonid Ivanov (disambiguation), several people
 * Leonid Kadeniuk (1951–2018), first and only astronaut of independent Ukraine to fly into outer space
 * Leonid Kharitonov (singer) (1933–2017), Soviet and Russian bass-baritone singer
 * Leonid Khrushchev (1917–1943), missing aviator
 * Leonid Kogan (1924–1982), Soviet and Russian violinist
 * Leonid Kantorovich (1912–1986) Soviet and Russian mathematician, economist, and only winner from the USSR of the Nobel Prize in Economics
 * Leonid Kolumbet (1937–1983), Soviet and Ukrainian Olympic cyclist
 * Leonid Kostandov (1915–1984), Soviet politician
 * Leonid Krasin (1870–1926), Soviet and Russian engineer and politician
 * Leonid Kravchuk (1934–2022), Ukrainian politician and first President of Ukraine
 * Leonid Krupnik (b. 1979), Ukrainian-born American-Israeli former soccer player and current soccer coach
 * Leonid Kuchma (b. 1938), second President of Ukraine
 * Leonid Kuravlyov (1936–2022), Soviet and Russian actor
 * Leonid Levin (b. 1948), Soviet-American computer scientist
 * Leonid Fyodorovich Myasin, French transliteration: Léonide Massine (1896–1979), Russian choreographer and ballet dancer
 * Leonid Mezheritski (1930–2007), Soviet and Israeli still-life, portrait and landscape painter
 * Leonid Moseyev (b. 1952), Soviet and Russian long-distance runner
 * Leonid Pasternak (1862–1945), Russian Impressionist painter
 * Leonid Reiman (or Reyman) (b. 1957), Russian businessman and government official, currently Minister of Communications and Information Technologies of the Russian Federation
 * Leonid Rozhetskin, (1966–20??), Russian-American financier and lawyer who disappeared in 2008; remains found in 2013
 * Leonid Sagayduk (1929–1998), Soviet swimmer
 * Leonid Sigal, Russian violinist and conductor
 * Leonid Sobinov (1872–1934), Russian opera singer
 * Leonid Stadnyk (1970–2014), Ukrainian man named "world's tallest living man" by ''Guinness World Records 2008
 * Leonid Stupnyckj (1891-1944), Commander and Figure in the Ukrainian Peoples Republic and the Ukrainian Insurgent Army
 * Leonid Stein (1934–1973), Soviet Grandmaster chess player from Ukraine among the top ten players in the 1960s
 * Leonid Taranenko (b. 1956), 1980 Olympic weightlifting champion for the Soviet Union
 * Leonid Teyf, Russian-Israeli businessman
 * Leonid Toptunov (1960–1986), reactor control engineer killed in the Chernobyl disaster
 * Leonid Utyosov (Leyzer (Lazar) Vaysbeyn, or Weissbein) (1895–1982), Soviet and Russian jazz singer and comic actor
 * Leonid Volkov (b. 1980), Russian opposition politician, IT specialist, Alexei Navalny аssociate
 * Leonid Voskresensky (1913–1965), Soviet rocket engineer and launch director for Sputnik
 * Leonid Yakubovich (b. 1945), Russian television host
 * Leonid Zhabotinsky (1938–2016), Soviet weightlifter and Olympic gold medalist

Fictional characters include:
 * Leonid, the protagonist in Alexander Bogdanov’s 1908 Russian science fiction novel Red Star
 * Leonid, the protagonist in the Labyrinth trilogy of cyberpunk novels written in the late 1990s by Russian science fiction writer Sergei Lukyanenko (Labyrinth of Reflections, False Mirrors, and Transparent Stained-Glass Windows).
 * Leonid Gorbovsky, in Arkady and Boris Strugatsky's series of science fiction novels set in the Noon Universe
 * Leonid Kovar, Russian superhero also known as Red Star
 * Leonid McGill, Manhattan private detective in fiction written by Walter Mosley
 * Leonid Pavel, Russian nuclear scientist in The Dark Knight Rises