People starting with S

1,247,201 records.

• Sergei BorovskiyRussian footballer
• Sergei BorovskyBelarusian footballer
• Sergei BortkiewiczRussian Romantic composer and pianist (1877–1952)
• Sergei BotalovRussian archaeologist, historian and full member of the International Turkic Academy (1958–)
• Sergei BotkinRussian diplomat
• Sergei BotschkovSoviet ski jumper (1949-2004)
• Sergei BoykoRussian footballer
• Sergei BozhenovRussian politician
• Sergei BozhinRussian footballer
• Sergei BozhkoRussian footballer
• Sergei Bragaice hockey player (1970-)
• Sergei BraginEstonian footballer (born 1967)
• Sergei Braitsevice hockey player
• Sergei BratusSoviet civil law scholar (1904-1997)
• Sergei BreyevRussian footballer
• Sergei Bronnikovice hockey player
• Sergei Brovinice hockey player
• Sergei BrukhonenkoSoviet scientist (1890–1960)
• Sergei BrushkoBelarusian photographer
• Sergei BrylinRussian ice hockey player
• Sergei BryzgalovRussian footballer
• Sergei BrzhesskySoviet actor (1900–1985)
• Sergei BubkaUkrainian tennis player
• Sergei BubkaUkrainian pole vaulter
• Sergei Bubnovphysician (1851-1909)
• Sergei BudylinRussian footballer
• Sergei Bugaevartist (born 1966)
• Sergei Bugriyevassociation football player
• Sergei BukharovRussian association football player
• Sergei BukhteyevSoviet association football player (1896-1948)
• Sergei BulatovRussian footballer
• Sergei BulavinRussian association football player
• Sergei BulgakovRussian Orthodox Christian theologian, philosopher, priest and economist (1871–1944)
• Sergei BunyachenkoRed Army officer defector and Nazi collaborator (1902–1946)
• Sergei BurchenkovRussian footballer
• Sergei BurdanovSoviet association football player
• Sergei BurimenkoUkrainian footballer (1970-2021)
• Sergei Burkadze
• Sergei BurkinRussian footballer
• Sergei Burkovetskiyfootballer
• Sergei ButenkoRussian footballer
• Sergei ButurlinRussian ornithologist (1872–1938)
• Sergei ButuzovSoviet politician
• Sergei ButyrinRussian footballer
• Sergei BykovRussian basketball player (born 1983)
• Sergei ChakhotinRussian microbiologist and sociologist (1883–1973)
• Sergei ChalibashviliGeorgian diver from the Soviet Union
• Sergei ChasovskiyRussian footballer
• Sergei ChavainSoviet Mari poet (1888–1937)
• Sergei ChawskiRussian chess player (1928-2016)
• Sergei ChekmezovRussian footballer
• Sergei ChepchugovRussian footballer (born 1985)
• Sergei Cherednichenko???????? ??????????? ????, Moscow
• Sergei CherepanovSoviet botanist (1921–1995)
• Sergei Cherkasovassociation football player
• Sergei ChernenkoUkrainian ice hockey player
• Sergei ChernikovRussian mathematician
• Sergei Chernobayevice hockey player
• Sergei ChernogayevRussian politician
• Sergei ChernogayevRussian footballer
• Sergei ChernousovRussian association football player
• Sergei ChernovRussian footballer
• Sergei ChernykhRussian footballer
• Sergei ChernyshevRussian breakdancer
• Sergei ChesnakovRussian footballer
• Sergei ChestokhvalovSoviet general (1891–1941)
• Sergei ChetverikovRussian scientist (1880–1959)
• Sergei Chetverukhinfigure skater
• Sergei ChibisovRussian footballer
• Sergei ChikalkinRussian basketball player (born 1975)
• Sergei ChikishevRussian association football player
• Sergei ChislovSoviet dancer
• Sergei ChistyakovRussian ice hockey player and coach
• Sergei Chubykinice hockey player, ice hockey coach
• Sergei Chudakovactor
• Sergei Chudakovpoet, journalist
• Sergei ChudinRussian footballer
• Sergei ChuevRussian historian
• Sergei ChukhrayCanoe racer
• Sergei ChumachenkoRussian footballer
• Sergei Chumakovice hockey player
• Sergei Chyrychice hockey, ice hockey player
• Sergei CortezSoviet and Belarusian composer (1935-2016)
• Sergei D VilumanSwedish composer
• Sergei DanilenkoRussian footballer (born 1989)
• Sergei DanilovBS MS in Electrical and Electronics Engineering from University of Glasgow, Korolyov
• Sergei DanilovRussian archaeologist, Doctor of Historical Sciences, researcher of Central Asian nomads
• Sergei DanilovRussian footballer
• Sergei Davydkinice hockey player, ice hockey coach
• Sergei DavydovRussian footballer (born 1985)
• Sergei DavydovRussian footballer (born 1979)
• Sergei Davydovfigure skater
• Sergei Dbarabkhazian military commander
• Sergei DelinikitisRussian-Soviet meliorator
• Sergei DemaginBelarusian ice hockey player
• Sergei DemekhineRussian tennis player
• Sergei DementyevRussian association football player
• Sergei Demyanovskyice hockey player
• Sergei DenisenkoSoviet soldier (1921–1961)
• Sergei DenisovRussian ice hockey goaltender
• Sergei DerkachRussian footballer
• Sergei DesukevichBelarusian sailor
• Sergei Devyatirikovice hockey player
• Sergei Devyatkovice hockey player, ice hockey coach
• Sergei DiaghilevRussian art critic and impresario (1872–1929)
• Sergei Didenkoresearcher, ORCiD ID=0000-0001-5671-5863
• Sergei DimanisSoviet economist
• Sergei DimitriatchevRussian rower
• Sergei DinamovSoviet writer and literary critic (1901-1939)
• Sergei DiyachukUkrainian skier
• Sergei DiyevUkrainian association football player
• Sergei Djatšenkopolitician (1952-2016)
• Sergei Dmitrievich von Hahn1860-1914
• Sergei Dmitrijewitsch Chodorowitsch
• Sergei Dmitriyevich BorodinRussian footballer
• Sergei Dmitriyevich ShubinRussian footballer
• Sergei Dobrinfigure skater
• Sergei DogadinRussian violinist
• Sergei DolgalevKyrgyz weightlifter
• Sergei DolgovUkrainian journalist (1964-2014)
• Sergei DolmatovRussian footballer
• Sergei DolzhenkovSoviet soldier
• Sergei DonaurovRussian composer and poet (1838–1897)
• Sergei DonskoiRussian politician
• Sergei DorenskyRussian musician
• Sergei DorofeyevRussian ice hockey player
• Sergei Doroninassociation football player
• Sergei DotsenkoSoviet association football player (1947-2006)
• Sergei DovlatovSoviet writer (1941–1990)
• Sergei DovzhenkoUkrainian serial killer
• Sergei DowgaljukRussian hornist
• Sergei DrozdBelarusian ice hockey player
• Sergei Drugalyaice hockey player
• Sergei DryaginRussian footballer
• Sergei DubovRussian journalist, publisher and entrepreneur (1943–1994)
• Sergei Dubrovin
• Sergei DudakovRussian figure skating coach and former competitor
• Sergei DudkinRussian footballer
• Sergei DunayevRussian footballer
• Sergei DuvanovKazakhstani journalist
• Sergei DvoynikovRussian footballer
• Sergei Dyadechkobusinessperson
• Sergei DyakovPhysicist
• Sergei Dylevskytractor factor worker and member of presidium of Coordination Council of Belarus
• Sergei DymovEstonian association football player (born 1973)
• Sergei DymovRussian footballer
• Sergei DyshevRussian writer, journalist, screenwriter and militsiya
• Sergei DzhatievSoviet footballer
• Sergei DzodziyevRussian footballer
• Sergei E. TshernyshevRussian entomologist
• Sergei Eduardovich LarinRussian footballer
• Sergei Eduardowitsch Schulajewski jumper
• Sergei EdukarjanzRussian association football player (1924-2001)
• Sergei Efronofficer of the White Army; Russian and Soviet publicist, writer, NKVD agent (1893–1941)
• Sergei EganovRussian ice hockey player (born 1957)
• Sergei EisensteinSoviet filmmaker (1898–1948)
• Sergei EleskinKazakh footballer
• Sergei ElevichRussian basketball player
• Sergei EmdinSoviet physicist (1912-1976)
• Sergei Enwerowitsch TchobanGerman architect
• Sergei EremenkoFinnish association football player
• Sergei EroshinSoviet and Russian motorcycle racer
• Sergei EvdokimovRussian mathematician (1950-2016)
• Sergei Evgenievich VakhtangovSoviet architect
• Sergei EvglevskiAustralian sports shooter
• Sergei F. TsarevskyRussian herpetologist (1887–1971)
• Sergei Fadeyevice hockey player (1971-)
• Sergei FamintsynRussian military officer
• Sergei FatkinEstonian comedian (born 1933)
• Sergei FaustovRussian footballer
• Sergei FedinRussian footballer
• Sergei FedorovRussian ice hockey player (born 1969)
• Sergei FedorovtsevRussian rower
• Sergei FedotovRussian ice hockey player
• Sergei FeitelbergAmerican physicist and physician
• Sergei FetisovRussian footballer
• Sergei FilatovSoviet equestrian (1926–1997)
• Sergei Filinice hockey player, ice hockey coach
• Sergei Filinballet dancer
• Sergei FilippenkovRussian footballer (1971-2015)
• Sergei FilippovRussian footballer (1892-1942)
• Sergei FilippovRussian association football player
• Sergei FinikovRussian mathematician (1883-1964)
• Sergei FjodorovEstonian wrestler (born 1966)
• Sergei FokinRussian footballer
• Sergei FokinRussian ice hockey player
• Sergei FomchenkovRussian politician
• Sergei FominSoviet association football player
• Sergei FominSoviet mathematician (1917–1975)
• Sergei FrankRussian businessman and politician
• Sergei FrenkelIsraeli ice hockey player
• Sergei FrolovRussian artist (1924-1998)
• Sergei FröhlichLatvian publisher (1904–1982)
• Sergei FurmanjukEstonian actor (born 1981)
• Sergei FyodorovRussian artist (born 1967)
• Sergei FyodorovRussian association football player (born 1960)
• Sergei Fyodorovich SemyonovRussian footballer
• Sergei G. KazarianArmenian chemist
• Sergei G. Pushkarevscientist
• Sergei GabniaAbkhaz actor
• Sergei Gaiduchenkoice hockey player
• Sergei GaidukevichBelarusian politician
• Sergei GaladzhevSoviet general
• Sergei Galkinice hockey player, ice hockey coach
• Sergei GalkinRussian footballer
• Sergei GalmakovRussian footballer
• Sergei GaposchkinRussian/American astronomist
• Sergei GaranzhaRussian association football player
• Sergei GarbuzovRussian water polo player
• Sergei Garkushacoach, ice hockey player
• Sergei GarmashSoviet and Russian actor
• Sergei GavrilovRussian politician
• Sergei GavrilovRussian footballer
• Sergei Gavrilovich SimonovSoviet weapons designer (1894-1986)
• Sergei GazdanovRussian footballer
• Sergei Georgievich LukinSoviet official (1894-1948)
• Sergei Georgievich, 8th Duke of LeuchtenbergGerman noble (1890-1974)
• Sergei GerasimovSoviet film director, screenwriter, actor (1906-1985)
• Sergei GermanovSoviet composer
• Sergei GersonskyRussian ice hockey coach
• Sergei GessenSoviet economic agent
• Sergei GilyovRussian actor
• Sergei GimayevSoviet ice hockey player (1955–2017)
• Sergei GimayevRussian ice hockey player (born 1984)
• Sergei GingerRussian architect (1870-1937)
• Sergei GladyshevRussian association football player (born 1960)
• Sergei Glazovice hockey player
• Sergei GlazyukovRussian footballer
• Sergei GluškoEstonian rower (born 1959)
• Sergei GodunovRussian mathematician
• Sergei GolikovRussian ice hockey player (born 1982)
• Sergei GolitsynSoviet writer (1909–1989)
• Sergei GoloshumovSoviet ice hockey player
• Sergei GolovatchRussian zoologist
• Sergei Golubev(1923-2007)
• Sergei GolyatkinRussian footballer
• Sergei GomolyakoRussian ice hockey player
• Sergei GoncharIce hockey defenceman
• Sergei GorbRussian association football player
• Sergei GorbachyovRussian ice hockey player
• Sergei GorbanRussian footballer
• Sergei GorbokRussian handball player
• Sergei GorbunovRussian revolutionary and Soviet aeronautical engineer (1902-1933)
• Sergei GorbushinRussian ice hockey player
• Sergei GorchakovRussian composer (1905-1976)
• Sergei GorelovRussian ice hockey player
• Sergei GorelovRussian footballer
• Sergei Gorevice hockey player, ice hockey coach
• Sergei GorkovRussian banker and lawyer
• Sergei GorlukovichRussian footballer
• Sergei GorokhovRussian association football player (born 1981)
• Sergei GorokhovodatskySoviet association football player (1949–2022)
• Sergei GorshenyovRussian racing driver (fl. 1982-?)
• Sergei GoryachkinRussian footballer
• Sergei GribanovRussian ice hockey player
• Sergei GribkovRussian painter (1822-1893)
• Sergei GribovRussian footballer (born 2005)
• Sergei GribovSoviet military officer
• Sergei GribovRussian footballer (born 1969)
• Sergei GrichenkovRussian footballer
• Sergei Grigorievich GorchakovImperial Russian Army general (1860–1936)
• Sergei Grigorievich Mokrushin
• Sergei GrigorkinRussian ice hockey player and coach
• Sergei GrigoryantsRussian human rights activist (1941–2023)
• Sergei Grigoryevice hockey player
• Sergei Grigoryevich StroganovRussian politician (1707-1756)
• Sergei Grinice hockey player
• Sergei GrinenkoRussian footballer
• Sergei GrinkovRussian pair skater (1967–1995)
• Sergei GrishinRussian footballer (born 1951)
• Sergei GrishinRussian footballer (born 1973)
• Sergei GritsenkoRussian footballer
• Sergei GrunichevRussian association football player
• Sergei Gubanovice hockey player
• Sergei Gubarevice hockey player, ice hockey coach
• Sergei GubernatorovRussian ice hockey player (born 1981)
• Sergei Gubinice hockey player
• Sergei GukRussian footballer
• Sergei GukovRussian physicist
• Sergei Gunkofootballer
• Sergei GurBelarusian martial artist
• Sergei GurchenkovRussian footballer
• Sergei GurenkoBelarusian footballer
• Sergei GurovSoviet film director (1901-1962)
• Sergei GurzoSoviet actor (1926–1974)
• Sergei GusevRussian ice hockey player
• Sergei Gusevice hockey player
• Sergei GushchinRussian footballer
• Sergei HackelBritish Russian Orthodox theologian (1931 – 2005)
• Sergei Harizomenovzemstvo statistician (1854–1917)
• Sergei HermEstonian police officer (1894-1943)
• Sergei HintsEstonian clergyman (1917-1974)
• Sergei Hohlov-SimsonEstonian footballer (born 1972)
• Sergei Holzwerttheologian
• Sergei I. Zhukhistorian
• Sergei IaralovMoldovan politician
• Sergei IchenskiKazakhstani ice hockey player
• Sergei IgnashevichRussian footballer
• Sergei IgnatievRussian banker and politician
• Sergei IgnatovBulgarian egyptologist
• Sergei Igorevich NekrasovRussian footballer
• Sergei Igorevich PopovRussian footballer
• Sergei IguminSoviet association football player
• Sergei IlneckiUkrainian soldier
• Sergei Ilyich PaltovRussian naval officer
• Sergei IlyinRussian ice hockey player (born 1994)
• Sergei IlyinRussian association football player
• Sergei IlyushinRussian footballer
• Sergei IromashviliRussian footballer
• Sergei IsayevRussian footballer
• Sergei IshkhanyanArmenian literary scholar
• Sergei IskusnyhRussian chess player
• Sergei IsraelyanArmenian cinematographer and politician (1937-2003)
• Sergei IssakovEstonian literary scholar and politician (1931–2013)
• Sergei Istomincellist
• Sergei IsupovAmerican ceramist of Russian origin (born 1963)
• Sergei IvakinRussian footballer
• Sergei Ivanovice hockey player, ice hockey coach
• Sergei Ivanovactor, pedagogue
• Sergei IvanovRussian association football player (born 1997)
• Sergei IvanovRussian ice hockey player
• Sergei Ivanovice hockey player
• Sergei IvanovRussian mathematician
• Sergei IvanovRussian entomologist
• Sergei IvanovRussian cyclist
• Sergei IvanovKyrgyzstani footballer
• Sergei IvanovEstonian ice hockey player (born 1984)
• Sergei IvanovRussian footballer and referee
• Sergei IvanovRussian senior official and politician (1953–2026)
• Sergei IvanovEstonian politician (born 1958)
• Sergei Ivanovice hockey player
• Sergei Ivanovichkickboxer
• Sergei Ivanovich BorisovRussian photographer
• Sergei Ivanovich Chetverikov(1850-1929)
• Sergei Ivanovich Furgalpolitician
• Sergei Ivanovich GenkalRussian (Soviet) phycologist and microbiologist
• Sergei Ivanovich IpatovRussian astronomer
• Sergei Ivanovich MaltsovRussian industrialist (1810–1893)
• Sergei Ivanovich MosinRussian Major General, designer of the famous Mosin-Nagant rifle (1849-1902)
• Sergei Ivanovich Schulenburgengineer in the Ministry of Transportation of the Russian Empire
• Sergei Ivanovich Shepelyov
• Sergei Ivanovich Shiryaginmilitary leader
• Sergei Ivanovich TaneyevRussian composer, pianist, music theorist and teacher (1856–1915)
• Sergei Ivanovich Tanygin
• Sergei Ivanovich Tomkeieffgeologist and petrologist
• Sergei Ivanovich VasilievRussian businessman
• Sergei IvanuskinLithuanian ice hockey player (born 1988)
• Sergei Ivlevice hockey player (1973-)
• Sergei Iwanowitsch Obolenskijzoologist
• Sergei Iwanowitsch SyrowatskiSoviet physicist (1925-1979)
• Sergei IzotovSoviet scientist and jet engines designer (1917—1983)
• Sergei JanzenGerman ice hockey player
• Sergei JaparidzeRussian lawyer
• Sergei JavorskyEstonian association football player (1902–1993)
• Sergei JegorovEstonian association football player (born 1989)
• Sergei JerkovitšBelarusian ice hockey player
• Sergei JoršBelarusian historian
• Sergei Jusupovbandy player
• Sergei JürgensEstonian politician (fl. 2009)
• Sergei KabanovRussian footballer
• Sergei KabyshevRussian politician
• Sergei Kachusovice hockey player, ice hockey coach
• Sergei Kadochnikovscientist
• Sergei Kagaikinice hockey player
• Sergei Kaleutinfootballer
• Sergei Kalganovice hockey player
• Sergei Kalininice hockey player
• Sergei KalininRussian sport shooter (1926–1997)
• Sergei KalininRussian ice hockey player
• Sergei KamaritskikhRussian footballer
• Sergei KamenskyRussian general (1771-1834)
• Sergei KamyshevUkrainian diplomat (1956-2021)
• Sergei KanAmerican anthropologist
• Sergei Kanevjournalist
• Sergei KanyukovRussian ice hockey player
• Sergei KapaninKazakhstani association football player
• Sergei KapkovRussian politician
• Sergei KapustinSoviet ice hockey player (1953–1995)
• Sergei KapustinSoviet footballer (born 1967)
• Sergei KaputinRussian footballer
• Sergei Karakaevcommander of the Strategic Rocket Forces of the Russian Federation
• Sergei KaraulovUzbek basketball player
• Sergei Karevfigure skater
• Sergei KariakinEstonian chess player (born 1964)
• Sergei KarimovKazakh footballer (1986–2019)
• Sergei Karlovich Kuhlstrem
• Sergei KarpenkoRussian professional football player
• Sergei KarpovSoviet-Russian ice hockey player (1959–1997)
• Sergei Karyiice hockey player, ice hockey coach
• Sergei KatsievRussian billionaire businessman
• Sergei KazakovEstonian association football player (born 1980)
• Sergei KerovRussian mathematician
• Sergei KetsBelarusian basketball player (born 1979)
• Sergei KhabarovRussian footballer
• Sergei Khachirovpoet
• Sergei KhakhomovBelarusian university teacher
• Sergei KharchenkoUkrainian ice hockey player
• Sergei KharchenkoUkrainian historian
• Sergei KharinRussian ice hockey player
• Sergei KharitonovRussian mixed martial arts fighter (born 1980)
• Sergei Kharkovgymnast
• Sergei KharlamovRussian footballer
• Sergei Kharytinskiice hockey player
• Sergei Khatkevichice hockey player
• Sergei KhizhnichenkoKazakh footballer
• Sergei KhodakovRussian Paralympic athlete
• Sergei KhomutovRussian footballer
• Sergei KhorokhordinRussian artistic gymnast
• Sergei KhoroshunRussian ice hockey player (born 1980)
• Sergei Khramovice hockey player, ice hockey coach
• Sergei KhramovRussian footballer
• Sergei Khramtsovice hockey player, ice hockey coach
• Sergei KhramtsovRussian footballer
• Sergei KhripunkovRussian footballer
• Sergei KhrushchevSoviet scientist (1935-2020)
• Sergei KhudiakovArmenian ice hockey player
• Sergei Khudiakovice hockey player
• Sergei Khudozhilovassociation football player, futsal player
• Sergei KhudyakovSoviet Marshal of Aviation (1902-1950)
• Sergei KhugaevOssetian writer
• Sergei KhusainovSoviet association football player and association football referee
• Sergei KinderknekhtRussian footballer
• Sergei KingisseppSoviet civil servant of Estonian origin (1909-1941)
• Sergei KiriakovRussian footballer
• Sergei KirienkoSoviet association football player (1957-2009)
• Sergei KirienkoRussian politician
• Sergei Kirillovmodern Russian artist
• Sergei KirovSoviet politician and Bolshevik revolutionary (1886–1934)
• Sergei KirsanovRussian association football player
• Sergei Kiryakhinice hockey player
• Sergei KiryakovRussian footballer
• Sergei KiselyovRussian swimmer
• Sergei KishchenkoRussian footballer
• Sergei KislitsynSoviet mathematician
• Sergei Kiyaykinice hockey player
• Sergei Klevtsovfield hockey player
• Sergei KlimovichRussian ice hockey player
• Sergei KlischinAustrian judo fighter
• Sergei KlishevichBelarusian politician (born 1990)
• Sergei Klishinice hockey player
• Sergei KnyazevRussian philologist
• Sergei KnyazevKyrgyz footballer
• Sergei KnyazkovSoviet military leader (1896-1976)
• Sergei KobozevRussian boxers (1964-1995)
• Sergei Kochetkovice hockey player, ice hockey coach
• Sergei KolbinRussian politician
• Sergei Kolchinassociation football player
• Sergei KoldenkovRussian boxer
• Sergei Kolesnikice hockey player
• Sergei Kolesnikovice hockey player
• Sergei KolesnikovRussian businessman and whistleblower
• Sergei Kolesnikovice hockey player
• Sergei KolesnikovRussian artist
• Sergei KolosovBelarusian ice hockey player
• Sergei KolotovkinRussian footballer
• Sergei KolyadaRussian artist (1907-1996)
• Sergei KolychevRussian footballer
• Sergei Kolyubakinice hockey player (1977-)
• Sergei Komarovice hockey player
• Sergei KomarovSoviet film actor, director and screenwriter (1891-1957)
• Sergei KomitskiBulgarian film director, writer, and playwright
• Sergei KondrashkinRussian ice hockey player
• Sergei KonkovRussian ice hockey player
• Sergei Konstantinovich Alekseevarachnologist
• Sergei Konstantinovich DahlRussian zoologist and mammalogist
• Sergei Konstantinovich GershelmanRussian general (1854–1910)
• Sergei Konstantinovich VeysovRussian priest
• Sergei KonyaginRussian mathematician
• Sergei KopeikinRussian/American physicist
• Sergei KopninRussian footballer
• Sergei Koptevmilitary personnel (1880-1920)
• Sergei KopylovSoviet racing cyclist
• Sergei KopylovUkrainian historian
• Sergei KopyovRussian footballer
• Sergei KorchaginRussian association football player
• Sergei Korchaginice hockey player
• Sergei KorchitskyBelarusian poet
• Sergei Kormiltsevfootballer
• Sergei KornevRussian association football player
• Sergei KornilenkoBelarusian footballer
• Sergei Kornilyevpolitician
• Sergei Korobkinice hockey player, ice hockey coach
• Sergei KorobovRussian ice hockey player (born 1996)
• Sergei KorolevSoviet rocket engineer and spacecraft designer (1907-1966)
• Sergei KorolyovRussian ice hockey player (born 1973)
• Sergei KorostinRussian ice hockey player
• Sergei KorotkikhRussian rower
• Sergei KorsakoffRussian psychiatrist (1854-1900)
• Sergei KorshikovRussian footballer
• Sergei KorshunovSoviet footballer (1928–1982)
• Sergei KorsunovFinnish association football player and futsal player of Estonian origin (born 1992)
• Sergei KorzhinskyRussian botanist (1861–1900)
• Sergei KosheevRussian ice hockey player (born 1982)
• Sergei KoshelevRussian footballer
• Sergei KoshkinRussian diplomat
• Sergei KositsinRussian association football player
• Sergei KosmyninRussian judoka
• Sergei KosorotovRussian judoka
• Sergei KosorotovRussian handball player
• Sergei KosovRussian association football player