People starting with L

264,356 records.

• Leonid Bratkovskyi
• Leonid BreitfußRussian naturalist (1864-1950)
• Leonid BrekhovskikhSoviet scientist (1917–2005)
• Leonid BrezhnevGeneral Secretary of the Communist Party of the Soviet Union (1906–1982)
• Leonid BritanitskiSovet art historian
• Leonid BronevoySoviet and Russian actor (1928–2017)
• Leonid BronfmanMoldovan scientist
• Leonid BrukSoviet athletics competitor
• Leonid BrumbergRussian pianist and music educator (1925–2010)
• Leonid BrusinRussian actor (1942-2018)
• Leonid BrynnUkrainian sculptor (1928–2000)
• Leonid BrümmerRussian painter (1889-1971)
• Leonid Bubermilitary officer, military personnel
• Leonid BudanovRussian musician (1946–2000)
• Leonid BugaevskySoviet boxer
• Leonid BugrovRussian scientist
• Leonid BujorMoldovan politician (1955-2021)
• Leonid BulakhovskySoviet linguist (1888–1961)
• Leonid BunimovichRussian mathematician
• Leonid BurlakaSoviet and Ukrainian cinematographer (1938—2024)
• Leonid BurlakovRussian lyricist
• Leonid BuryakUkrainian footballer
• Leonid ButkevichSoviet military personnel (1918-1985)
• Leonid ButusinUkrainian soldier
• Leonid BykovSoviet mining engineer
• Leonid BykovSoviet military officer (1914–1990)
• Leonid BykovRussian literary scholar
• Leonid BykovUkrainian soviet actor, film director and screenwriter (1928-1979)
• Leonid BykovetsHero of the Soviet Union (1921–1997)
• Leonid BytsyuraUkrainian economist
• Leonid CarasiovMoldovan military officer
• Leonid CarpRomanian canoeist
• Leonid Cemortan
• Leonid ChadambaRussian writer and children's writer (1918-1987)
• Leonid Chebotaryovassociation football player, association football coach
• Leonid Cheishvilichemist, technologist
• Leonid ChembarskiySoviet actor
• Leonid CherevatenkoUkrainian poet
• Leonid CherevkoBelarusian discus thrower
• Leonid Cherkaskyimusicologist
• Leonid CherkasskyIsraeli writer (1925–2003)
• Leonid ChernehaSoviet politician
• Leonid ChernishyovSoviet architect (1875–1932)
• Leonid ChernovUkrainian Soviet painter (1915-1990)
• Leonid ChernovSoviet writer and poet (1899-1933)
• Leonid ChernovetskyiUkrainian politician
• Leonid ChernozatonskiiRussian physicist
• Leonid ChertkovSoviet writer and poet (1933-2000)
• Leonid ChertokSoviet intelligence agent
• Leonid ChertokSoviet film director (1922-2009)
• Leonid ChibisovRussian painter (1924-1995)
• Leonid Chiginsoviet colonel (1914–1943)
• Leonid ChimanskiUkrainian basketball player (born 1959)
• Leonid ChinidzhantsUkrainian Soviet actor
• Leonid Chizhevskyscientist, military personnel
• Leonid ChizhikSoviet pianist, composer and music educator
• Leonid Chovanec
• Leonid ChtchadilovRussian volleyball player
• Leonid ChubarovSoviet actor (1925-1980)
• Leonid ChuchunovRussian wrestler
• Leonid ChulkovSoviet vice-admiral (1913-2016)
• Leonid ChupyatovLeonid Terent'evič Čupjatov (1890-1941)
• Leonid CobâleanschiMoldovan physician
• Leonid CorneanuMoldovan writer (1909–1957)
• Leonid Culiucphysicist
• Leonid Dackiewiczsoldier
• Leonid Dadyshevclandestine agent, partisan
• Leonid Dainekopolitician
• Leonid DalevichSoviet theater and film actor, theater director, theater figure of the Russian diaspora in the Far E
• Leonid DanchishinSoviet and Ukrainian actor (1932-2014)
• Leonid Danilov
• Leonid DanilovRussian scientist
• Leonid Danilovmechanic
• Leonid DanylkoUkrainian architect
• Leonid DashukBelarusian lawyer and politician
• Leonid DatsenkoUkrainian physicist
• Leonid DatsenkoUkrainian journalist
• Leonid DattaBE BTech in Computer Science from VIT University, Vellore
• Leonid DavidenkoBelarusian sculptor (1941-2002)
• Leonid Davidovich Hoffmancomposer, conductor
• Leonid Davydov-SubochSoviet actor
• Leonid DaynekoSoviet writer and poet
• Leonid DegtyaryovSoviet civil servant
• Leonid Deinekaathlete
• Leonid Denisovich AkulenkoPh.D. Lomonosov Moscow State University 1969
• Leonid DenysenkoUkrainian-Australian graphic artist
• Leonid DerbenyovRussian poet (1931–1995)
• Leonid DerevyankoBelarusian Soviet canoeist
• Leonid DerkachUkrainian politician (1939–2022)
• Leonid DesyatnikovRussian composer
• Leonid DimovRomanian writer (1926–1987)
• Leonid DmirtenkoSoviet university teacher
• Leonid Dmitrijevič Belyjgeologist
• Leonid Dmitriyev
• Leonid Dmitriyev
• Leonid Dnjeprovskij
• Leonid Dobrianskyscientist, public figure
• Leonid Dobrolyubovarchitect
• Leonid DobroskokinSoviet swimmer
• Leonid Dobrotvorskymilitary personnel
• Leonid DobrunovSoviet botanist (1907-1982)
• Leonid DobychinRussian writer
• Leonid Doljanskyphysician, military officer
• Leonid Donskowmilitary personnel
• Leonid Dorenskiyphotographer, war photographer
• Leonid DorofeyevSoviet association football player (1917-1942)
• Leonid Doroschenkohandball player
• Leonid DovladbegyanRussian and Armenian entrepreneur
• Leonid DovlatovSoviet and Russian actor (1920-2012)
• Leonid DrachevskyRussian rower and diplomat
• Leonid Drobiazkoathlete
• Leonid DrobyshevskySoviet Russian school administrator
• Leonid Drosnéspsychiatrist, psychoanalyst
• Leonid Dubrovpolitician
• Leonid DukhovnySoviet and American songwriter, poet, musician, bard, producer (1938–2022)
• Leonid DunayevRussian fencer
• Leonid DushkinSoviet rocket engineer
• Leonid DvoeglazovSoviet Russian actor (1919-1988)
• Leonid Dvorkinscientist
• Leonid DyachkovSoviet and Russian actor (1939–1995)
• Leonid DyadyuchenkoSoviet and Russian prose writer, poet, film screenwriter (1934—2005)
• Leonid Dyakonovwriter, poet
• Leonid Dyakovpoet
• Leonid Dzapshbaformer Interior Minister of Abkhazia and former head of the Abkhazian Football Federation
• Leonid Dzekonskicoach, athlete
• Leonid Dzhepkotranslator, Wikipedian
• Leonid E. Feinbergpainter (1896-1980)
• Leonid EbergRussian architect (1882-1954)
• Leonid Efimovich KoganRussian linguist and orientalist
• Leonid Efimovich RodinSoviet botanist (1907-1990)
• Leonid EfrosRussian artist
• Leonid Egorovich ObolenskyRussian poet and writer (1845-1906)
• Leonid EidelmanIsraeli physician
• Leonid EidlinRussian theatre director and film director (1937-2014)
• Leonid EleninRussian astronomer
• Leonid Emilievich Schwartzengineer
• Leonid EnikAbkhazian politician
• Leonid EstrinSoviet film director (1908-1972)
• Leonid EvdokimovRussian Software developer
• Leonid Evgenievich Popovpaleontologist
• Leonid Evgenievich SobiesevichRussian geophysicist (1930–2020)
• Leonid F. CuliucMoldavian politician
• Leonid FadeevRussian biophysicist
• Leonid Fainberg
• Leonid Fainzilberginventor
• Leonid FalkovskySoviet physicist
• Leonid FantalovRussian metallurgist and scientist (1883-1968)
• Leonid FaraponovSoviet teacher
• Leonid FatikowBelarusian ice hockey player (1968-)
• Leonid Fedorovcomposer, manufacturer
• Leonid Fedorovich IlyichevSoviet politician and journalist (1906-1990)
• Leonid Fedorovych Pastukhpainter
• Leonid FedorukUkrainian poet, writer and composer (1938-2014)
• Leonid FedunRussian businessman
• Leonid FeiginSoviet conductor and composer (1923-2009)
• Leonid FeodorovExarch of the Russian Catholic Church (1879-1935)
• Leonid Fesenkopolitician
• Leonid FiedorukPolish sportsperson and athletics competitor
• Leonid FilatovSoviet association football player
• Leonid FilatovSoviet and Russian actor, director, poet, publicist (1946–2003)
• Leonid FilimonovSoviet and Russian politician
• Leonid FilinSoviet soldier (1915–1975)
• Leonid FilippovSoviet military officer
• Leonid FinbergUkrainian sociologist
• Leonid Firsovethologist, university teacher
• Leonid FishmanRussian political scientist
• Leonid FituniRussian economist
• Leonid Fokszańskipoet, writer
• Leonid Fomich KozinKazakhstani scientist
• Leonid FominRussian ice hockey player (born 1996)
• Leonid FrankfurtRussian-Israeli physicist
• Leonid FrantsevichUkrainian zoologist
• Leonid FrechkopRussian painter (1897-1982)
• Leonid FridmanBelgian painter (1908-1979)
• Leonid FyodorovSoviet ski jumper
• Leonid FyodorovUkrainian association football player
• Leonid Fyodorovich Makulovmoksha writer (1907-1982)
• Leonid Fyodorovich Vereshchaginchemist, physicist
• Leonid G. PivertRussian film director (1927-2015)
• Leonid GabyshevSoviet and Russian writer (1952–2021)
• Leonid GaidaiSoviet film director (1923-1993)
• Leonid GakkelRussian musicologist
• Leonid GalichRussian literature critic, publicist.
• Leonid GallisSoviet actor (1912-1977)
• Leonid GarazhaUkrainian weightlifter
• Leonid GartRussian businessperson
• Leonid GavrilovRussian scientist
• Leonid GeishtorCanoe racer
• Leonid Generalov
• Leonid Gennad'evič BujnovRussian scientist
• Leonid Georgievich RudenkoSoviet politician (1906-2002)
• Leonid GeorgievskyRussian author and political activist
• Leonid Georgiyevich YakovlevRussian singer and opera singer (1858-1919)
• Leonid GerasimovRussian ice hockey player (1950-)
• Leonid Gerchikovassociation football player (2001-)
• Leonid GerzhoyCanadian chess player
• Leonid GindinSoviet philologist (1928–1994)
• Leonid GirshgornSoviet geophysicist
• Leonid GirshovichRussian writer
• Leonid GissenRussian rower
• Leonid GladilinRussian physicist
• Leonid GladshteynSoviet material scientist
• Leonid GlebovSoviet military personnel (1913-1943)
• Leonid Glikmanmusician
• Leonid GobyatoRussian general (1875–1915)
• Leonid GofshteinIsraeli chess player (1953–2015)
• Leonid GoldenbergSoviet historian (1920-1989)
• Leonid GolikovHero of the Soviet Union (1926–1943)
• Leonid Golitsyn
• Leonid GolovanovSoviet painter (1904-1980)
• Leonid GolovkoRussian actor
• Leonid GolovniaSoviet film director and screenwriter (1939–2012)
• Leonid GolovyrskikhSoviet Nordic combined athlete and coach
• Leonid GolubevHero of the Soviet Union (1912–1991)
• Leonid GolubevRussian diplomat
• Leonid Golubevscientist
• Leonid Golubininscientist
• Leonid Gombergwriter, journalist
• Leonid Goncharov
• Leonid Goncharovflying ace
• Leonid Goncharovcivil servant
• Leonid GoncharovSoviet military personnel (1925–1986)
• Leonid Goncharov
• Leonid GorbachovRussian priest
• Leonid GorbenkoRussian politician of Ukrainian origin (1939–2010)
• Leonid GordonSoviet sociologist (1930-2001)
• Leonid GorlachUkrainian poet
• Leonid GorninRussian politician (born 1972)
• Leonid GorobetsUkrainian ornithologist
• Leonid GorodinSoviet journalist
• Leonid GorokhovRussian musician
• Leonid GorovetsSoviet and Ukrainian film director, screenwriter (1950-2013)
• Leonid Gorshkovengineer
• Leonid GorshkovSoviet politician (1930-1994)
• Leonid Goryushkinhistorian
• Leonid GovorovSoviet marshal (1897–1955)
• Leonid GozmanRussian psychologist and Russian politician
• Leonid Grabarʹwriter, theatre critic
• Leonid Grabkin
• Leonid GrecoGreek composer
• Leonid GrekovSoviet philosopher
• Leonid Grekov
• Leonid Grekovscientist, politician
• Leonid GrigorashenkoSoviet painter (1924-1995)
• Leonid GrigorenkoRussian physicist
• Leonid Grigorievich GraveRussian poet and translator
• Leonid Grigorieviç AbramovRussian diplomat
• Leonid Grigorovichmilitary officer
• Leonid GrigoryevSoviet economist
• Leonid GrigoryevHero of the Soviet Union (1913–1943)
• Leonid GrigoryevSoviet long jumper
• Leonid Grigorʹevič Melʹnikeconomist
• Leonid GrinAmerican conductor
• Leonid GrinevRussian fencer
• Leonid GrininRussian academic
• Leonid GromRomanian physician
• Leonid GromovSoviet and Russian actor
• Leonid GromovSoviet and Ukrainian scientist (neurotoxicologist and neuropharmacologist), teacher, professor (1938
• Leonid GrossmanSoviet writer and literary critic (1888-1965)
• Leonid GrubeshlievBulgarian journalist
• Leonid GrzhibovskySoviet association football player
• Leonid GrčevMacedonian academic
• Leonid GubanovSoviet poet (1946-1983)
• Leonid GubanovRussian actor (1928–2004)
• Leonid Gulkevichhydrographer
• Leonid GulovEstonian rower (born 1981)
• Leonid GurevichRussian screenwriter
• Leonid GusevSoviet scientist in radio-electronics and states person (1922-2015)
• Leonid Gusev
• Leonid Gusevpolitician
• Leonid Gusevphysicist, prorector
• Leonid Guskovmilitary flight engineer
• Leonid GutkinSoviet association football player (born 1938)
• Leonid GutmanSoviet mountain climber
• Leonid GuzikSoviet association football player
• Leonid Hadiatskyipolitician
• Leonid HaidamakaUkrainian bandurist and kobzar (1898–1991)
• Leonid HaidarzhyUkrainian footballer (born 1959)
• Leonid HakobyanSoviet politician and economist (1935-2002)
• Leonid Hamaniukpolitician
• Leonid HambroAmerican musician (1920-2006)
• Leonid Harmashpolitician
• Leonid Harutyunyan
• Leonid Herasymovych MelnykUkrainian historian
• Leonid HlibovUkrainian writer (1827–1893)
• Leonid Hlushchenkostatesperson
• Leonid HrabovskyiSoviet and Ukrainian composer
• Leonid Hrabynageologist, surveyor
• Leonid Hrachpolitician
• Leonid Hrebenchenkopolitician
• Leonid Hrebinkatranslator, writer
• Leonid HromovyiUkrainian teacher
• Leonid Hrymakpsychologist
• Leonid HryshchukGeorgian professor
• Leonid HryshchukSoviet and British astrophysicist (1941–2012)
• Leonid Hryshchukstatesperson, politician
• Leonid HuberskyjUkrainian philosopher, academician, former rector of Taras Shevchenko National University of Kyiv
• Leonid HukSoviet military officer
• Leonid HumeniukAmerican physician
• Leonid HuruntsArmenian writer
• Leonid HurwiczPolish-American economist and mathematician (1917–2008)
• Leonid HusakUkrainian footballer
• Leonid Husakpolitician
• Leonid I Glazmanresearcher
• Leonid I. SmirnovSoviet physician and academic (1889-1955)
• Leonid IailoUkrainian basketball player (born 1973)
• Leonid IcelevAmerican writer
• Leonid Ignatievich KazakeviczRussian (Soviet) botanist
• Leonid IgnatovMacedonian footballer
• Leonid Ilchenkosculptor
• Leonid Ilinskiliterary scholar (1878-1934)
• Leonid IlyichovSoviet swimmer
• Leonid IlyinRussian scientist
• Leonid IoninSoviet sociologist
• Leonid Ipatevich GovorovRussian (Soviet) botanist, and plant breeder (1885-1941)
• Leonid Isaievpolitician
• Leonid IsaxonSoviet cameraman and director of non-fiction films, front-line cameraman during World War II (1914-1
• Leonid Isayevchess composer, journalist
• Leonid Issakovych KanevskyiUkrainian stage director
• Leonid IudovSoviet actor
• Leonid Iustinovich Kozhukhovmilitary officer
• Leonid IvanchenkoRussian politician (1942–2016)
• Leonid IvanovSovjet-Russian basketballer
• Leonid Ivanov
• Leonid Ivanovcosmonaut (1950-1980)
• Leonid Ivanovbotanist (1871-1962)
• Leonid Ivanov
• Leonid IvanovRussian footballer
• Leonid IvanovUkrainian poet
• Leonid Ivanov
• Leonid IvanovSoviet-Kyrgyz long-distance runner
• Leonid Ivanov
• Leonid IvanovSoviet modern pentathlete
• Leonid IvanovSoviet aviator
• Leonid IvanovSoviet football player (1921-1990)
• Leonid Ivanovhistorian
• Leonid IvanovSoviet rower
• Leonid Ivanov
• Leonid Ivanovich BorodovskiĭRussian cartographer (1870-1906)
• Leonid Ivanovich Chernushkinlandlord
• Leonid Ivanovich EvenkoRussian economist
• Leonid Ivanovich Levkovich-MaslyukRussian mathematician
• Leonid Ivanovich Malyshevbotanist (1931-2014)
• Leonid Ivanovich MedvedkoRussian scientist
• Leonid Ivanovich Prilipkobotanist (1907-1983)
• Leonid Ivanovich Rekovetsevolutionary biologist
• Leonid Ivanovich Shcherbakovsoviet and Russian military officer (1936-2021)
• Leonid Ivanovich Sirotinskyscientist
• Leonid Ivanovich Taroshchinfighter pilot, test pilot
• Leonid Ivanovich VolkovRussian ice hockey player (1934–1995)
• Leonid Ivanovych AndrusonRussian poet (1875–1930)
• Leonid Ivantsovphysicist
• Leonid IvashovRussian politician and general
• Leonid IvlevRussian politician
• Leonid IzrailevichSoviet composer
• Leonid I︠U︡lʹevich Ėĭdlin
• Leonid JeršovsLatvian and Soviet politician (1906-1938)
• Leonid Jodeykopainter (1827-1879)
• Leonid JupiterIsraeli actor
• Leonid KaartEstonian lawyer (1910-1994)
• Leonid KabachekRussian painter (1924-2002)
• Leonid KacejkoElectrical engineer from Poland (1913-1996)
• Leonid KadeniukUkrainian cosmonaut (1951-2018)
• Leonid KaganovRussian writer, poet, comedian and television presenter
• Leonid KalashnikovSoviet camera operator (1926-2005)
• Leonid KalashnikovDeputy Chairman of the Communist Party of the Russian Federation
• Leonid Kalinichenkocomputer scientist, researcher
• Leonid Kalinin
• Leonid Kalyan
• Leonid Kamburovvert skater
• Leonid KamininRussian mathematician (1923-2004)
• Leonid Kaminskyipolitician
• Leonid KamlochukUkrainian canoeist
• Leonid Kanareykinice hockey player (1976-)
• Leonid KaneEstonian police officer (1896-1941)
• Leonid KanevskiSoviet-Ukrainian rowing coach
• Leonid KanevskySoviet, Russian and Israeli theater and film actor, TV presenter
• Leonid KanferBelarusian journalist
• Leonid KanishchenkoUkrainian economist
• Leonid KannegisserRussian poet and assassin (1896-1918)
• Leonid KanterUkrainian film director and producer
• Leonid KantorovichRussian mathematician (1912-1986)
• Leonid KapitsaRussian officer (1864–1919)
• Leonid KaplunUkrainian chess player
• Leonid KarasevRussian philosopher
• Leonid Karasyovwriter
• Leonid KarchevskySoviet association football player (1919-1966)
• Leonid KarevRussian musician
• Leonid Karnovconvicted American serial killer
• Leonid Karpov
• Leonid KartsevRussian major general (1922–2013)
• Leonid KasatkinRussian dialectologist (1926-2020)
• Leonid Kashinsurveyor
• Leonid KasyanenkoSoviet Ukrainian artist (1920-1991)
• Leonid KatsSoviet conductor and pedagogue
• Leonid KatsamunskiBulgarian military officer
• Leonid KatsisRussian literary critic (1958–2022)
• Leonid Katsva
• Leonid Kayukovanimator and film director (*1938)
• Leonid KayurovRussian actor
• Leonid Kazakpolitician
• Leonid Kazancewdeacon
• Leonid Kazantsevscientist, jurist
• Leonid KazinetsRussian businessperson
• Leonid KaznakovRussian figure skater
• Leonid KazyraBelarusian translator
• Leonid KechkerSoviet cardiologist
• Leonid KeldyshSoviet and Russian physicist (1931-2016)
• Leonid KerberRussian aeronautical engineer and writer (1903-1993)
• Leonid KeselmanSoviet sociologist (1944-2013)
• Leonid KhabarovRussian military personnel
• Leonid KhachiyanRussian mathematician (1952–2005)
• Leonid Khadzhinovgeneral director
• Leonid Khalfinphysicist, mathematician
• Leonid KhanbekovSoviet writer, journalist and poet
• Leonid KhankevichBelarusian association football player (1995-)
• Leonid Kharchenkomilitary personnel
• Leonid KharebatyOssetian poet
• Leonid KharitonovRussian singer (1933-2017)
• Leonid KharkivUkrainian dental surgeon
• Leonid KharlamovRussian architect
• Leonid KharlovSoviet militiaman
• Leonid KheyfetsRussian theatre director (1934–2022)
• Leonid Khinkulovbiographer, literary scholar
• Leonid KhizhinskyRussian painter (1896-1972)
• Leonid KhmaraSoviet actor, non-fiction film announcer
• Leonid KhodaUkrainian soldier
• Leonid KhodskyRussian economist (1854-1919)
• Leonid KhokhlovRussian swimmer
• Leonid KhomenkovSoviet athlete and coach (1913-1998)
• Leonid KhomyakovSoviet Army general, Hero of the Soviet Union (1924-1999)
• Leonid Khromovdirector, producer
• Leonid KhrushchevSoviet pilot (1917–1943)
• Leonid KhudyakovRussian painter (1915-1995)
• Leonid KhutanovRussian politician
• Leonid KhvedchukUkrainian master of graphics, painter
• Leonid Kindzelskyoncologist, radiologist
• Leonid KinskeyAmerican actor (1903-1998)
• Leonid Kiparisovpainter
• Leonid KirenskySoviet physicist (1909-1969)
• Leonid KirilenkoSoviet footballer (1945-2007)
• Leonid KirnosSoviet and Russian drummer
• Leonid Kiselyovmilitary officer
• Leonid Kiselyovice hockey player (1947-2014)
• Leonid KiselyovSoviet and Russian boxer and boxing coach
• Leonid KiserievBulgarian revolutionary
• Leonid KishkovskyAmerican priest
• Leonid KivalovRussian athletics competitor
• Leonid KiyenkoRussian association football player
• Leonid KizimSoviet cosmonaut (1941-2010)
• Leonid KleinWriter
• Leonid KlimovUkrainian politician
• Leonid KlimovskiyRussian footballer
• Leonid KlinichevSoviet and Russian composer
• Leonid Klischtscharathlete
• Leonid KlymchukUkrainian military personnel
• Leonid KlymenkoUkrainian engineer
• Leonid KmitRussian actor (1908–1982)
• Leonid KnyazevJägermeister
• Leonid KnyazevSoviet actor (1917-1983)
• Leonid KnyshUkrainian military personnel (1985-2015)
• Leonid KobelevRussian athletics competitor
• Leonid KobelevSoviet-Russian Physicist (1925-2003)
• Leonid Kochanskimusic educator
• Leonid Kofanovlegal scholar
• Leonid KoganSoviet violinist (1924–1982)
• Leonid Kogansociologist
• Leonid Kokinmilitary leader
• Leonid KokoulinRussian writer and construction manager (1926-2013)
• Leonid KolesnikovOlympic swimmer (1937-2010)
• Leonid Kolesnikovbotanist (1893-1968)
• Leonid KolganovIsraeli poet and writer (1955–2019)
• Leonid Koliada
• Leonid KolleEstonian military personnel (1913-1943)
• Leonid KolobovSoviet lieutenant general (1907–1993)
• Leonid Kolomeytsevmilitary personnel, aircraft pilot
• Leonid Kolomiets
• Leonid KolosovRussian economist
• Leonid Kolosovscientist
• Leonid Kolosovskyimusic video director, director
• Leonid KolotiloRussian cartographer
• Leonid KolotilovSoviet military officer (1895–1965)
• Leonid KoltunUkrainian football manager (born 1944)
• Leonid KolumbetOlympic cycling bronze medal (1937-1983)
• Leonid KomogorovSoviet diplomat (1927-2020)
• Leonid Komskyiart collector and gallery owner (b. 1964)
• Leonid Kondakovice hockey player, association football player
• Leonid KondratyevSoviet ice hockey, bandy and field hockey player
• Leonid KondyrevSoviet Russian actor (1897-1961)
• Leonid Konkovminer
• Leonid KonopelkoRussian scientist
• Leonid Konstantinovmilitary officer
• Leonid Konstantinovich DolgopolovRussian historian (1928–1995)
• Leonid Konstantinovich Krulikovskylepidopterist, entomologist
• Leonid KorchmarRussian conductor
• Leonid Koretskicinematographer
• Leonid KoretskySoviet production manager
• Leonid Korinactor, film screenwriter
• Leonid KormanovskySoviet and Russian scientist
• Leonid KornienkoPhysicist