For the meteor shower, see
Leonids.
Leonid (Russian: Леонид [lʲɪɐˈnʲit]; Ukrainian: Леонід [leoˈn⁽ʲ⁾id]; Belarusian: Леанід, romanized: Leaníd [lʲɛaˈnʲit]) 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: