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People starting with K
4,67,713 profiles.
- Konstantin Kiselyovscientist
- Konstantin KisimovBulgarian actor
- Konstantin KisinBritish comedian
- Konstantin Kislov(1911-2000) Soviet state security officer
- Konstantin Kistenaircraft pilot
- Konstantin KitaikaSoviet painter (1914-1962)
- Konstantin KlamanSoviet chess player
- Konstantin KlashtorniUkrainian jazz saxophonist, producer
- Konstantin KleffelGerman architect, active in Hamburg
- Konstantin KleinGerman basketball player (born 1991)
- Konstantin KleverBaltic German painter (?-1937)
- Konstantin KlimontovRussian ice hockey player
- Konstantin Klimovice hockey player (1951-1982)
- Konstantin Klimov
- Konstantin Klimovskydiplomat
- Konstantin KljujewRussian cyclist
- Konstantin Knizhnikovsoviet opera singer
- Konstantin KnyrikRussian journalist and businessman
- Konstantin KobetsRussian military officer (1939-2012)
- Konstantin KochievSouth Ossetian politician
- Konstantin Kochov
- Konstantin KogtevSoviet film director (1903-1991)
- Konstantin Kohlengineer
- Konstantin KohlerGerman priest
- Konstantin KoklaEstonian journalist and priest (1878-1946)
- Konstantin KokoraRussian figure skater
- Konstantin KolesnichenkoUkrainian musician, harper
- Konstantin KolesnikovRussian footballer
- Konstantin Kolesnikovairman
- Konstantin KolesnikovRussian scientist
- Konstantin Kolevwriter
- Konstantin Kolganovteacher
- Konstantin Kolosovactor (1823-1888)
- Konstantin Kolpakovpolitician
- Konstantin Komardinkin
- Konstantin KomarekAustrian ice hockey player
- Konstantin Komarovpoet, literary critic
- Konstantin Komarovmilitary personnel
- Konstantin Komissarovmilitary leader
- Konstantin Kondovmilitary officer
- Konstantin Kondratyev
- Konstantin KonichevSoviet writer and journalist (1904-1971)
- Konstantin KonikEstonian politician (1873-1936)
- Konstantin Kononenkometallurgist
- Konstantin KonoplyovRussian footballer
- Konstantin KonovalovUkrainian screenwriter, director, writer
- Konstantin Konstantinovengineer
- Konstantin KonstantinovRussian general
- Konstantin KonstantinovSoviet and Moldovan actor (1915—2003)
- Konstantin KonstantinovBulgarian writer
- Konstantin Konstantinovmusicologist, opinion journalist
- Konstantin KonstantinovRussian actor
- Konstantin Konstantinovich Alkalaev-KalageorgijRussian jurist
- Konstantin Konstantinovich BartoshevichSoviet architect (1919-1991)
- Konstantin Konstantinovich ChuvaevSoviet astronomer
- Konstantin Konstantinovich Clapier de Colongue
- Konstantin Konstantinovich Kalutskiy
- Konstantin Konstantinovich KokkinakiSoviet aviator (1910-1990)
- Konstantin Konstantinovich Marchenkoarchaeologist
- Konstantin Konstantinovich ProvalovRussian diplomat (1949-2021)
- Konstantin Konstantinovich Raush baron fon TraubenbergRussian sculptor (1871-1935)
- Konstantin Konstantinovich Rozenshilʹd
- Konstantin Konstantinovich SaradzhevRussian musician
- Konstantin Konstantinovich Stefanovych
- Konstantin Konstantinovich SukharevRussian author (1912–2004)
- Konstantin Konstantinovsky
- Konstantin KonyarovBulgarian writer and translator
- Konstantin Kordobovksypainter (1902-1988)
- Konstantin KorffRussian civil servant
- Konstantin Korishchenkobanker
- Konstantin KorneyevRussian ice hockey player
- Konstantin KorobovRussian artist
- Konstantin Korobovice hockey player
- Konstantin KoroedovRussian architect
- Konstantin Korolyovscientist
- Konstantin Korolyovmilitary officer
- Konstantin KoroteevSoviet general (1901–1953)
- Konstantin KorotkovRussian ice hockey player
- Konstantin Korotkov
- Konstantin KorotkovSoviet speed skater
- Konstantin Korotkovscientist
- Konstantin KorovinRussian artist (1861–1939)
- Konstantin KorovkoRussian con artist
- Konstantin KorshunovRussian luger
- Konstantin Korsik
- Konstantin Korzendörferartist, painter
- Konstantin KorzhRussian association football player
- Konstantin KosachevRussian politician and diplomat
- Konstantin Kosenkorevolutionary
- Konstantin KoshkinRussian actor and voice-over announcer
- Konstantin KosinskyRussian botanist (1874-1928)
- Konstantin KostadinovBulgarian basketball player (born 2003)
- Konstantin KostenkoRussian canoeist
- Konstantin KostenkoRussian playwright, screenwriter, prose writer
- Konstantin Kostenkopainter (1879-1956)
- Konstantin KostinRussian politician
- Konstantin KostinLatvian figure skater
- Konstantin Kostjukov
- Konstantin KostovBulgarian pianist
- Konstantin KostrominChristian minister
- Konstantin KosyakinRussian politician
- Konstantin Kotelnikovopera singer
- Konstantin Kotov
- Konstantin KotovRussian activist, defendant in Moscow affairs
- Konstantin KotovSoviet association football player
- Konstantin KotovRussian association football player
- Konstantin KotsevBulgarian actor (1926-2007)
- Konstantin KotsevBulgarian military officer
- Konstantin KotyanovskyBelarusian painter and artist (born 1954)
- Konstantin KoutekCzech water polo player
- Konstantin KovalchukRussian association football player
- Konstantin Kovalenko
- Konstantin Kovalenko
- Konstantin Kovalenkofootballer
- Konstantin KovalskySoviet musician, theremin player (1890–1976)
- Konstantin KovalyovSoviet fighter pilot (1913-1995)
- Konstantin Kovalyovassociation football player
- Konstantin KovalyovRussian journalist and writer
- Konstantin Kovankodiplomat, military personnel
- Konstantin KovevAmerican sniper
- Konstantin KozeyevRussian cosmonaut
- Konstantin Kozhanovdiplomat
- Konstantin KozhevRussian puppeteer, director and photographer
- Konstantin KozhevnikovRussian actor
- Konstantin Kozlovpoet
- Konstantin KozlovRussian footballer
- Konstantin Kozlovskyhistorian, archaeograph
- Konstantin Kozminteacher
- Konstantin KołokolnikovRussian priest
- Konstantin KracholovBulgarian revolutionary
- Konstantin Krainiukovpolitical commissar
- Konstantin Krakhtpainter, sculptor
- Konstantin KrasavinRussian air force pilot
- Konstantin Krasnikov
- Konstantin KrasnobaevSoviet physicist
- Konstantin Krasusskiscientist
- Konstantin KrauseGerman long jumper
- Konstantin Kravchenkoassociation football coach, association football referee
- Konstantin KravchukRussian tennis player
- Konstantin Kravchukschoolchild, hero
- Konstantin KravinskySoviet and Russian actor (1961–2004)
- Konstantin KravtsovRussian poet
- Konstantin KrayevichRussian physicist and educator (1833-1892)
- Konstantin Krikunovpoet, journalist
- Konstantin KrimetsUkrainian conductor (1939-2008)
- Konstantin Krimmel(1993-) opera singer and recitalist of German-Romanian descent
- Konstantin Kristoforidhi
- Konstantin Krivokhizhinice hockey player, ice hockey coach
- Konstantin KrivosheinSoviet playwright and poet
- Konstantin KrizhevskySoviet footballer (1926-2000)
- Konstantin KrokhmalRussian politician, journalist of Russian state media and author
- Konstantin KrszywickiRussian military officer
- Konstantin KrupskyRussian officer
- Konstantin Krylovmilitary leader
- Konstantin KrylovAthletics (sport) competitor
- Konstantin KrylovRussian journalist (1967–2020)
- Konstantin KryuchkovSoviet association football player (1939-1988)
- Konstantin KryukovRussian actor
- Konstantin Kryukovmilitary officer
- Konstantin KröningGerman cinematographer and film producer
- Konstantin KuchayevRussian association football player
- Konstantin Kudryashovhistorian, university teacher
- Konstantin Kudryashov
- Konstantin Kudryashov
- Konstantin Kudryavtsevchemist, military personnel
- Konstantin KudryavtsevSoviet sports coach (1912-1994)
- Konstantin Kudryayevathlete
- Konstantin KugiyskiBulgarian musician (1905-1975)
- Konstantin KuhleGerman politician
- Konstantin KukevichRussian painter (1817-1842)
- Konstantin KukhtaSoviet mathematician
- Konstantin KuksinRussian ethnographer, traveler, writer, and poet, founder of the "Museum of Nomadic Culture" in Mosc
- Konstantin KulabukhovRussian footballer
- Konstantin KulaginRussian actor
- Konstantin KulagovRussian athlete
- Konstantin Kulakov
- Konstantin KulchitskySoviet and Ukrainian actor
- Konstantin KulibinRussian geologist (1834–1914)
- Konstantin Kulikscientist
- Konstantin KulikUkrainian footballer
- Konstantin Kulikovice hockey player (1988-)
- Konstantin KulikovSoviet major general, died in captivity during WWII
- Konstantin Kulikov(1910-1969)
- Konstantin KulikovSoviet astronomer (1902-1987)
- Konstantin Kumanin
- Konstantin Kuntzsch
- Konstantin KuperasovRussian cyclist
- Konstantin KupriyanovSoviet and Ukrainian audio engineer (1931–2017)
- Konstantin Kurashevice hockey player, ice hockey coach
- Konstantin Kurlyatev-Obolensky
- Konstantin Kurochkin
- Konstantin Kurochkinice hockey player
- Konstantin KurokhtinRussian wheelchair curler
- Konstantin KuryachiyHero of the Soviet Union
- Konstantin KusitasevBulgarian physician (1900-1955)
- Konstantin KutepovEastern Orthodox priest, Orthodox theologian
- Konstantin Kuzakovillegitimate son of Joseph Stalin
- Konstantin KuzginovSoviet painter, artist and designer
- Konstantin KuzinRussian businessman
- Konstantin KuzmichyovRussian ice hockey player
- Konstantin KuzminRussian architect
- Konstantin KuzminImperial Russian Army colonel
- Konstantin Kuznetsov
- Konstantin KuznetsovAmerican comics artist
- Konstantin Kuznetsovartist, illustrator and set designer (1866-1943)
- Konstantin Kuznetsovmilitary officer
- Konstantin Kuznetsovmilitary officer
- Konstantin Kuznetsovengineer
- Konstantin Kuznetsovsoviet naval officer
- Konstantin Kuznetsovengineer
- Konstantin Kuznetsov
- Konstantin KuznetsovRussian camera operator (1899-1982)
- Konstantin Kuznetsov
- Konstantin Kuznetsovmusicologist, legal scholar
- Konstantin Kvashnin
- Konstantin KvashninSoviet association football player (1899-1982)
- Konstantin Kwoczakassociation football coach
- Konstantin KämpfGerman male curler
- Konstantin Küspertdramaturge, playwright
- Konstantin KüttEstonian cleric (1906-1944)
- Konstantin L. VodopyanovRussian physicist
- Konstantin LadilovSoviet trombonist (1927–1983)
- Konstantin Lagunovwriter, historian
- Konstantin Lambrinovmilitary personnel
- Konstantin Lambsdorff1841-1900
- Konstantin LandaRussian chess grandmaster (1972–2022)
- Konstantin LapshinRussian musician
- Konstantin LaptevSoviet military personnel
- Konstantin LaptevSoviet singer and opera singer (1904-1990)
- Konstantin LarionovRussian athlete
- Konstantin LashkovSoviet sound operator
- Konstantin Lavrenovice hockey player
- Konstantin LavrentyevRussian esperantist
- Konstantin LavronenkoRussian actor
- Konstantin Lavrovskiychemist
- Konstantin Lavrskiyjournalist, First State Duma of the Russian Empire
- Konstantin LaykamRussian politician
- Konstantin Lazarevmilitary personnel
- Konstantin Lazarevpolitician
- Konstantin Lazchenko
- Konstantin Ldovpoet, writer
- Konstantin LebedevEstonian Soviet politician (1918–2006)
- Konstantin LebedevRussian politician
- Konstantin LebedevSoviet writer (1921-2002)
- Konstantin Lebedev
- Konstantin Lebedev
- Konstantin Lebedevmilitary officer
- Konstantin LebedinskyRussian anesthesiologist
- Konstantin Ledovskikhfootballer
- Konstantin LegostaevRussian musician
- Konstantin Lekarskiagronomist
- Konstantin Lekomtzevcomposer, music arranger
- Konstantin LemeshevSoviet association football player (1907-1950)
- Konstantin Leontevich Dobroserdovmilitary personnel, politician
- Konstantin LeontievRussian philosopher (1831-1891)
- Konstantin Leontovich
- Konstantin Leontyevphysician
- Konstantin Leontyevathlete
- Konstantin Leontyev
- Konstantin LepyokhinRussian footballer
- Konstantin LernerChess grandmaster (1950–2011)
- Konstantin LeselidzeSoviet general (1903–1944)
- Konstantin LesikRussian volleyball player
- Konstantin LevashovSoviet military officer
- Konstantin LevykinSoviet and Russian museum director
- Konstantin LifschitzSoviet and Swiss pianist and university teacher
- Konstantin Likharevphysicist, figure skater
- Konstantin Likhodedoventrepreneur
- Konstantin Lindhorstactor
- Konstantin Lindnerreligious education teacher
- Konstantin LisenkovRussian Paralympic swimmer
- Konstantin Lishin
- Konstantin Lisitzin
- Konstantin Lisovskiĭsinger, music educator
- Konstantin ListovSoviet composer (1900–1983)
- Konstantin LitkeImperial Russian military officer (1873–1915)
- Konstantin Lizqar
- Konstantin LjubobratetsEstonian ice hockey player (born 1995)
- Konstantin LobanSoviet physician
- Konstantin LobanovRussian geologist
- Konstantin LobovRussian footballer
- Konstantin Lodyzhenskiĭeconomist
- Konstantin Lojander
- Konstantin LokhanovRussian fencer
- Konstantin LoksRussian writer and literary critic (1889-1956)
- Konstantin LoktevRussian ice hockey player (1933–1996)
- Konstantin LomunovSoviet writer (1911–2005)
- Konstantin LomykinUkrainian painter (1924-1994)
- Konstantin Lopushanskyfilm director
- Konstantin LopushynskiyRussian physician
- Konstantin LosevSoviet politician
- Konstantin LozbinevRussian footballer
- Konstantin LubenchenkoRussian politician and statesman
- Konstantin Ludwig Weldenjurist, beamter
- Konstantin LukashBulgarian general (1890-1945)
- Konstantin LukashevSoviet geologist (1906–1987)
- Konstantin Lukashovactor
- Konstantin Lukich GilchevskyRussian general (1857–after 1927)
- Konstantin Lukinice hockey player
- Konstantin Lukinovpianist, musician
- Konstantin LundyshevSoviet Ukrainian theatre actor and film director (1903-1991)
- Konstantin LungovBulgarian actor
- Konstantin LurieRussian mathematician
- Konstantin Lutkićrevolutionary, cobbler
- Konstantin Lvovich Tarassovbotanist
- Konstantin Lwowskybasketball coach
- Konstantin LyadovRussian conductor (1820-1871)
- Konstantin LyadusovRussian athletics competitor (born 1988)
- Konstantin LyakhovRussian footballer
- Konstantin LyaskovskySoviet association football player (1908-1986)
- Konstantin LyginRussian architect (1854–1932)
- Konstantin LyubavskySoviet scientist
- Konstantin LyubutinSoviet scientist
- Konstantin LyudskanovBulgarian military officer (1885–1937)
- Konstantin LyzhinRussian association football player
- Konstantin LöwenbergAmerican university teacher and neurologist (1892-1982)
- Konstantin M. Beskidopinion journalist, politician
- Konstantin M. PolivanovRussian specialist in literature
- Konstantin M. ShidlovskiyRussian ichthyologist
- Konstantin M. ThoerenGerman film producer (1948–2019)
- Konstantin MachGerman composer (1915–1996)
- Konstantin MadertGerman handball player
- Konstantin MaevskiRussian futsal player
- Konstantin Magnitsky
- Konstantin MaierGerman priest
- Konstantin MakarevichSoviet and Kazakhstani glaciologist
- Konstantin MakarovSoviet admiral (1931-2011)
- Konstantin Makarovathlete
- Konstantin Makarovmilitary officer
- Konstantin MakarovRussian ice hockey player
- Konstantin MakarovBolshevik revolutionary (1894–1918)
- Konstantin Makarov
- Konstantin Makarov-Rakitincomposer, music educator
- Konstantin Makartsevhockey player
- Konstantin Makerarchitect
- Konstantin MakovSoviet economic activist
- Konstantin MakovskyRussian painter (1839-1915)
- Konstantin Maksimovstatesperson, military personnel
- Konstantin Maksimovpolitician
- Konstantin MaksimovSoviet painter (1913-1994)
- Konstantin Maksimovich BelinRussian police offical (1937-2008)
- Konstantin MalininRussian association football player (1915-1995)
- Konstantin MalinovskiyKazakhstani sport shooter
- Konstantin MalitskyRussian footballer
- Konstantin MalkovAmerican mathematician and businessman
- Konstantin MalofeyevRussian businessman (born 1974)
- Konstantin Maltsevsoviet politician
- Konstantin Malyshevscientist
- Konstantin MalyutinRussian footballer
- Konstantin MamaevRussian translator, writer and sinologist
- Konstantin MamontovRussian soldier (1869–1920)
- Konstantin Manaevcellist
- Konstantin Mandraji
- Konstantin Mantikice hockey player
- Konstantin Manzeymilitary officer
- Konstantin Maradishvilifootball player
- Konstantin MardzhanishviliGeorgian and Soviet mathematician (1903–1981)
- Konstantin MarinkovićEastern Orthodox priest, writer
- Konstantin Markelov
- Konstantin MarkelovRussian scientist
- Konstantin MarkovBulgarian journalist
- Konstantin Markovarchitect
- Konstantin MarkovBulgarian military general
- Konstantin Markovmilitary personnel
- Konstantin MarkovBulgarian rock musician
- Konstantin MarkovBulgarian doctor
- Konstantin MarkovSoviet geomorphologist and geologist (1905–1980)
- Konstantin Marschactor, film actor
- Konstantin Martazovsport shooter
- Konstantin MarusichenkoSoviet military aircraft pilot
- Konstantin MarutyanArmenian architect
- Konstantin MasalskyRussian poet (1802-1861)
- Konstantin MasenkovRussian miner
- Konstantin MaslakRussian chess player and poker player
- Konstantin Maslov
- Konstantin Maslyukovice hockey, ice hockey player
- Konstantin Matovscientist
- Konstantin Matsanov
- Konstantin Matthias Stael von HolsteinBaltic German diplomat (1853-1912)
- Konstantin MatusevichIsraeli athletics competitor (born 1971)
- Konstantin MatveevSoviet geologist
- Konstantin Mavringeologist
- Konstantin MaximovichRussian general, gouverneur-general of Warsaw
- Konstantin Mayorovice hockey player (1988-)
- Konstantin MaznikovBulgarian footballer (1905-1967)
- Konstantin MazurevskiyRussian politician and lawyer
- Konstantin Mazurinmusicologist, poet
- Konstantin MedgyesiHungarian historian
- Konstantin MedunetskySoviet artist
- Konstantin Medzveliaphilologist, literary scholar
- Konstantin Mekhonoshinrevolutionary
- Konstantin MeladzeUkrainian-Russian composer and producer
- Konstantin MelgunovRussian sailor
- Konstantin MelikhanRussian writer, comedian, caricaturist, television presenter and screenwriter
- Konstantin MelnikovRussian architect and painter (1890-1974)
- Konstantin MenshovRussian figure skater
- Konstantin MeremyaninRussian politician
- Konstantin MereschkowskiRussian evolutionary biologist and botanist (1855–1921)
- Konstantin Merkushinskydeacon
- Konstantin Merzpolitician (1856-1915)
- Konstantin Merzhoyevworld traveler
- Konstantin MerzlikinRussian economist
- Konstantin MeshcheryakovRussian rally driver
- Konstantin Meskourisuniversity teacher
- Konstantin Mexispianist
- Konstantin MeyerRussian botanist and phycologist (1881-1965)
- Konstantin MeylGerman engineer
- Konstantin Michajlovič TachtarevRussian sociologist (1871–1925)
- Konstantin MihailovBulgarian ice hockey player
- Konstantin MihailovEstonian-Russian painter (1908–1996)
- Konstantin MihailovićSerbian writer
- Konstantin Mihajlovič PopovKonstantin Mikhaĭlovich Popov; b. 4-28-1900; d. 1982; economist; dokt. ėkon. n
- Konstantin Mihaylov-StoyanBulgarian singer (1853-1914)
- Konstantin Mihaylovich KosmachevBelarusian painter
- Konstantin MikautadzeGeorgian rugby union player
- Konstantin MikeladzeGeorgian noble
- Konstantin MikhailovRussian ice hockey player
- Konstantin MikhailovRussian writer
- Konstantin MikhailovRussian university teacher
- Konstantin Mikhailovich Bazilinineteenth century Russian historian
- Konstantin Mikhailovich DerjuginRussian (Soviet) zoologist (1878-1938)
- Konstantin Mikhailovich TreschevSoviet general, Hero of the Soviet Union (1922–2015)
- Konstantin MikhailovskyRussian engineer (1834–1909)
- Konstantin MikhalenkoHero of the Soviet Union (1920–2011)
- Konstantin Mikhaylovpresenter, actor
- Konstantin MikhaylovSoviet actor (1910-1994)
- Konstantin Mikhaïlovitch Viazemskimilitary personnel
- Konstantin MiklashevskyRussian actor
- Konstantin MikulskySoviet economist (1932–2021)
- Konstantin MiladinovBulgarian poet and educator
- Konstantin MilchinRussian literary critic
- Konstantin Miliukovfigure skater
- Konstantin Millerabbot of the imperial abbey of Salem, Germany
- Konstantin MilovanovRussian actor
- Konstantin MiltoRussian herpetologist
- Konstantin Minayevich BlinovHero of the Soviet Union (1912–1943)
- Konstantin Minyatovlawyer (1874-1918)
- Konstantin MirchevBulgarian footballer
- Konstantin Miroshnikpainter, artist
- Konstantin Mishaykov
- Konstantin Mitenev(1956-) Russian artist
- Konstantin MitevBulgarian volleyball player
- Konstantin MitevBulgarian volleyball player (born 1964)
- Konstantin MitgutschAustrian educationist
- Konstantin Mitovmilitary officer
- Konstantin MitreykinSoviet poet
- Konstantin Mitroshkinice hockey player
- Konstantin Mixaylov
- Konstantin Mochulskyliterary critic, biographer
- Konstantin MochyonovRussian heraldist
- Konstantin MokhovHero of the Soviet Union (1923–1945)
- Konstantin MoldavskyRussian painter (1810-1855)
- Konstantin Molodtsovpolitician
- Konstantin MolteninovRussian painter (1924–2022)
- Konstantin Monstrovpolitician
- Konstantin Moravenov
- Konstantin MorethGerman actor
- Konstantin MorozovRussian footballer
- Konstantin Moskalenkoscientist
- Konstantin Mousichidisgymnast
- Konstantin Mozeldiplomat
- Konstantin MráčekCzech architect
- Konstantin Mukhinphysician
- Konstantin MuravievBulgarian politician (1893-1965)
- Konstantin MurzenkoRussian actor
- Konstantin MutafovBulgarian writer
- Konstantin Myakişevactor (1910-1990)
- Konstantin MärskaEstonian film director (1896-1951)
- Konstantin Müfkeactor (1903-1968)
- Konstantin MüllerGerman politician (1919-2008)
- Konstantin Müller
- Konstantin N. Negadaev-Nikonovzoologist
- Konstantin N. Svitnevlawyer
- Konstantin NabelRussian photographer
- Konstantin Nabokov(1872-1927)
- Konstantin NadeinUkrainian entomologist
- Konstantin NahkEstonian footballer (born 1975)
- Konstantin NaryshkinRussian politician
- Konstantin NassonovRussian actor (1895-1963)
- Konstantin Nastevmilitary officer, military personnel
- Konstantin NaumochkinRussian screenwriter
- Konstantin NazaretyanArmenian toxicologist
- Konstantin NazarovCanoeing in Russia
- Konstantin NazimovRussian association football player
- Konstantin Nazimovexplorer
- Konstantin Nebolsinmilitary personnel
- Konstantin NedorubovSoviet military personnel (1889–1978)
- Konstantin Nefyodov
- Konstantin NegodyayevKazakhstani canoeist
- Konstantin NemirkoBelarusian ice hockey player (1983-)
- Konstantin Nemolyayevfilm actor, stage actor
- Konstantin Nenadkevichmineralogist (1880-1963)
- Konstantin NenadovićSerbian officer and historian
- Konstantin NerchenkoRussian bodybuilder (born 1985)
- Konstantin NesterovRussian basketball player (born 1981)
- Konstantin NeumannSoviet military personnel (1897–1937)
- Konstantin Neven DuMontGerman publisher
- Konstantin NevolinRussian historian
- Konstantin NezlobinRussian actor, entrepreneur, theater director, one of the founders of professional Russian theaters
- Konstantin NieländerEstonian painter (1848-1928)