People starting with O
83,599 records.
- Oskar DürrGerman merchant
- Oskar Ebelsbacherscreenwriter
- Oskar Eberhard UlbrichGerman botanist (1879–1952)
- Oskar EberleSwiss theater scholar, author, director
- Oskar Eblimicropalaeontologist
- Oskar EckholtGerman General and Knight's Cross recipients
- Oskar EdelGerman politician
- Oskar Edler von Kuepachjurist, local government officer
- Oskar EdlundSwedish hurdler (born 2002)
- Oskar Edmund ZimmermannSwiss Esperantist
- Oskar EdøyNorwegian labour politician (1916–2008)
- Oskar EggelingGerman architect
- Oskar EggertGerman regional historian (1896–1974)
- Oskar Ehmpolitician
- Oskar EhrhardtGerman surgeon (1873–1950)
- Oskar EichbergGerman conductor, pianist, composer and musicologist (1845-1898)
- Oskar Eichelbergconductor, composer
- Oskar EichentopfGerman politician
- Oskar Eichhorncivil servant
- Oskar EichlerGerman pharmacologist
- Oskar Eisenmannart historian, gallerist
- Oskar EkbergSwedish classical pianist
- Oskar EklundSwedish politician (1861-1940)
- Oskar EklundSwedish mathematician
- Oskar EkmanSwedish music manager, label owner
- Oskar EkmanFinnish teacher and firefighter
- Oskar EleniusFinnish artist
- Oskar ElevantEstonian revolutionary (1884-1951)
- Oskar Elias von QuistRussian judge, law scholar
- Oskar Elis Kjersénvicar
- Oskar EllekEstonian communist (1875-1933)
- Oskar EllerEstonian military personnel (1886-1919)
- Oskar ElofssonSwedish freestyle skier
- Oskar Elsässerartist, painter
- Oskar Emil Batěkpedagogue, conductor
- Oskar Emil CarlblomBaltic German clergyman (1829-1902)
- Oskar Emil Lenauresistance fighter
- Oskar Emil SchiøtzNorwegian physicist, geologist and professor
- Oskar Emil TudeerFinnish author and translator (1850-1930)
- Oskar Emil TörnåSwedish painter (1842-1894)
- Oskar Emil WantalowiczAustrian author (1865–1946)
- Oskar EngbergFinnish socialdemocrat and Lenin's best man
- Oskar EnkvistRussian admiral (1849-1912)
- Oskar Ephabeamter
- Oskar Epsteinsecondary school teacher, Zionist
- Oskar ErbslöhGerman aviation pioneer
- Oskar ErckensGerman entrepreneur (1824-1901)
- Oskar ErdmannGerman germanist (1846–1895)
- Oskar Erich MeyerGerman paleontologist and author (1883–1939)
- Oskar Erich Stephanpainter, graphic artist
- Oskar Erich Thomasviolinist
- Oskar EriksonSwedish architect (1845–1887)
- Oskar EriksonSwedish politician (1876–1933)
- Oskar EriksonEstonian basketball and volleyball player, and athletics competitor (1910–1993)
- Oskar ErikssonSwedish curler
- Oskar EritsEstonian cleric (1903-1979)
- Oskar ErklevNorwegian swimmer
- Oskar Ernst Emil TombergEstonian cleric (1866-1938)
- Oskar Erwin UlmerGerman sculptor
- Oskar EspelandNorwegian volleyball player
- Oskar EssénFinnish ice hockey player
- Oskar Estanga Arzallustrikitilari
- Oskar Estanga Ezkurdiabertsolari
- Oskar EstebanyHungarian-Canadian psychic healer (1922-2000s)
- Oskar EustisAmerican theatre director
- Oskar EversSwedish politician (1833–1918)
- Oskar EversbuschGerman ophtalmologist (1853-1912)
- Oskar EwaldHungarian philosopher and writer (1881-1940)
- Oskar EwerlöfSwedish politician
- Oskar FabianPolish physicist (1846–1899)
- Oskar FajferPolish speedway rider
- Oskar Falkejournalist, politician
- Oskar FalleniusSwedish association football player
- Oskar Farenholc
- Oskar Farner(1884-1958)
- Oskar FarnyGerman politician (1891–1983)
- Oskar FaßlerGerman basketball player (born 1988)
- Oskar FedererJewish industrialist and art collector plundered by Nazis (1884-1968)
- Oskar FehrGerman ophthalmologist (1871-1959)
- Oskar Fehrenbachjournalist, author
- Oskar FeifarAustrian author
- Oskar Feldtänzerwriter, author
- Oskar Felgelarchitect from Austria (1876-1957)
- Oskar Felix Memmenegger(1793-1841)
- Oskar Felkl
- Oskar Felsko1848-1921
- Oskar FengerDanish association football player
- Oskar Ferdinand SeveliusFinnish-Estonian priest (1873-1946)
- Oskar Ferdinand von Walcke-Schuldt
- Oskar Feugeopera singer, singer
- Oskar FialaCzech painter (1860-1918)
- Oskar Fichterartisan
- Oskar FischelGerman art historian (1870–1939)
- Oskar FischerGerman politician (1923-2020)
- Oskar FischerGerman politician (1894-1963)
- Oskar FischerAustrian footballer
- Oskar FischerGerman painter (1892-1955)
- Oskar FischerCzech scientist (1876–1942)
- Oskar FischingerGerman-American abstract animator, filmmaker, and painter (1900-1967)
- Oskar Flattjournalist, writer
- Oskar FleischerGestapo employee
- Oskar FleischerGerman musicologist (1856–1933)
- Oskar Flemingpolitician, military personnel
- Oskar FlinkFinnish master builder (1867-1915)
- Oskar ForckenbeckGerman politician and jurist (1822-1898)
- Oskar ForsmanFinnish rower (1878-1957)
- Oskar ForssSwedish musician
- Oskar FotrCzech footballer
- Oskar FrankGerman table tennis player
- Oskar FrankSwiss equestrian
- Oskar Frankenberg und Proschlitzmilitary leader
- Oskar FrankfurterGerman librarian (1852-1922)
- Oskar Frantsevich HelmerRussian (Soviet) botanist and plant breeder
- Oskar Franz DvořákCzechoslovak painter (1899-1969)
- Oskar Franz ScheuerAustrian physician, holocaust victim
- Oskar FranzénSwedish publisher (1890-1974)
- Oskar FranzénSwedish actor, musician
- Oskar Frechbusinessperson
- Oskar Fredrik BorgFinnish teacher (1847-1907)
- Oskar Fredrik Wennbergmusic director, horn player
- Oskar Fredrik WijkmanSwedish politician
- Oskar FredriksenNorwegian cross-country skier (1909-1991)
- Oskar FredrikssonSwedish ice hockey player
- Oskar Freiherr von BoenigkGerman flying ace (1893–1946)
- Oskar Freiherr von der Lancken-Wakenitz1867-
- Oskar Freiherr von HohenhausenGerman officer and Knight's Cross recipients (1905–1970)
- Oskar Freiherr von Sodendiplomat, envoy extraordinary and minister plenipotentiary
- Oskar Freiwirth-LützowGerman artist and painter (1862-1925)
- Oskar FrenzelGerman painter (1855–1915)
- Oskar Freundofficer
- Oskar Freypastor (1893-1958)
- Oskar FreyBaltic German cleric and teacher (1859-1955)
- Oskar FreysingerSwiss teacher, politician (SVP), and writer
- Oskar FreytagGerman table tennis player
- Oskar FribergEstonian Swede, centenarian, lived on Vormsi, Estonia (1919-2019)
- Oskar FriedGerman composer and conductor (1871–1941)
- Oskar FriedmannAustrian publisher (1872-1929)
- Oskar Friedrichvicar, pedagogue
- Oskar Friedrich Adolph Reuleauxmilitary officer
- Oskar Friedrich BorkowskyBaltic German politician (1872-1945)
- Oskar Friedrich HasselblattEstonian clergyman (1855-1880)
- Oskar Friedrich Luchnerlawyer, writer
- Oskar Friedrich SchmalzSwiss composer (1881-1960)
- Oskar Friedrich SchmidtGerman wood engraver
- Oskar Fritschauthor
- Oskar Fritz BeierGerman painter (1908-1972)
- Oskar Frode NordervalNorwegian architect, born 1933
- Oskar FroehdeGerman classical philologist and librarian
- Oskar Fronz seniortheatre manager, writer
- Oskar Fröb
- Oskar FrölichSwiss physicist (1843-1909)
- Oskar Fuchs von DiebitschGerman actor
- Oskar FunkGerman judge
- Oskar FyhrvallSwedish historian (1846-1915)
- Oskar FürstPolish footballer
- Oskar G Jenniresearcher
- Oskar Gabelbeamter
- Oskar GabrielssonSwedish association football player
- Oskar Gadamer
- Oskar GagelGerman university teacher and neurologist (1899-1978)
- Oskar Ganseconomist
- Oskar GarsteinNorwegian priest (1924–1996)
- Oskar GarvensGerman sculptor and caricaturist
- Oskar GaseckiPolish football player
- Oskar Gassenmayrnaval officer
- Oskar GawellGerman painter (1888-1955)
- Oskar Gazteluwriter
- Oskar GeckGerman politician (1867-1928)
- Oskar Geierviolist, composer
- Oskar Geigesarchitect
- Oskar Geilfußcomposer
- Oskar Gelbhaarjudge
- Oskar Gensbergerpastry chef, union member
- Oskar Georg FischbachGerman jurist
- Oskar Georgetrade unionist, bank officer
- Oskar Georgi
- Oskar Geransvolapükologist
- Oskar GerberSwiss athletics competitor
- Oskar Gerhardteacher
- Oskar GersonGerman architect
- Oskar Gillbergsportsperson
- Oskar Gillberg
- Oskar GiltayBelgian basketball player (born 2006)
- Oskar GimnigGerman actor (1856-1920)
- Oskar Gladenbecksculptor
- Oskar GlemserGerman chemist (1911–2005)
- Oskar GluthGerman journalist and author (1887-1955)
- Oskar GlöcklerGerman medal designer (1893-1938)
- Oskar GlückAustrian film producer (1887-1966)
- Oskar GnadenteichEstonian cleric (1911-2007)
- Oskar GoebelGerman landscape painter (1858-1906)
- Oskar GoebelBaltic German educator (1831-?)
- Oskar GoldbergGerman non-fiction writer (1885-1952)
- Oskar Golmblat
- Oskar Gottlieb Blarrcomposer
- Oskar Graemerjurist
- Oskar GrafGerman politician (1882-1942)
- Oskar GrafGerman painter
- Oskar Graf von Christalnigg(1862-1934)
- Oskar Grahnén
- Oskar Gravdal Risasport cyclist
- Oskar Grethergrammarian, Protestant theologian, biblical scholar, university teacher (1902-1949)
- Oskar GrimstadNorwegian politician
- Oskar GripenbergRussian general of Swedish origin (1838-1915)
- Oskar GrissemannAustrian engineer (1889–1952)
- Oskar Grollpolitician
- Oskar GrosGerman pharmacologist and university teacher (1877-1947)
- Oskar GrosbergBaltic German journalist (1862-1941)
- Oskar GrossAustrian-German-American artist (1871-1963)
- Oskar Gross
- Oskar GrossCzech-Austrian lawyer, antiquarian and art collector whose collection was seized by the state for cr
- Oskar GrossmannAustrian politician (1903-1944)
- Oskar Groundstroem
- Oskar Großcivil engineer, expert
- Oskar GrupeGerman geologist (1878–1940)
- Oskar Grussendorfmember of the German SS organization
- Oskar Gröningaccountant in Auschwitz (1921–2018)
- Oskar Gründlerhistorian, writer and politician (1876-1947)
- Oskar Grünerphysician, medical examiner
- Oskar GrünwaldAustrian manager
- Oskar Guido Tapio Aminoff
- Oskar Gullstrandpolitician, co-minister
- Oskar GundermannGerman physician (1894-1968)
- Oskar Guseck von Glankirchen
- Oskar GustavsonEstonian politician (1889-1945)
- Oskar Guttmann1885-1943
- Oskar Gutwinskidentist
- Oskar GyldmarkDanish composer
- Oskar GyllenhammarSwedish singer
- Oskar Göschenheraldist, military officer
- Oskar GüntherAustrian poet, writer and zoologist (1894-1931)
- Oskar Günther
- Oskar H. HagemannGerman artist (1888-1984)
- Oskar H.W. CoesterBrazilian entrepreneur and inventor
- Oskar Haafediting staff
- Oskar HaagAustrian musician
- Oskar Haapaniemipriest
- Oskar Haarbrandtaudio engineer
- Oskar HaasCzech ice hockey player
- Oskar HaberstumpfGerman jurist
- Oskar Hackenbergerconductor
- Oskar HackmanFinnish folklorist (1868-1922)
- Oskar HaempelAustrian biologist (1882-1953)
- Oskar Haeringbookseller, writer
- Oskar HagenGerman art historian (1888–1957)
- Oskar HagmanSwedish politician (1880–1942)
- Oskar Hahn(1860-1907)
- Oskar Haidingerjudge, federal judge
- Oskar HainariFinnish politician and journalist (1856–1910)
- Oskar HaleckiPolish historian (1891-1973)
- Oskar Hallbertwriter
- Oskar HalleborgSwedish painter
- Oskar HallingEstonian farmer (1896-1949)
- Oskar Hamann
- Oskar Hammjurist, author
- Oskar HammelsbeckGerman educationist (1899–1975)
- Oskar Hansasailor
- Oskar HansenDanish poet and journalist (1895–1968)
- Oskar HansenPolish architect
- Oskar HanskaSwedish spoken word artist and game developer
- Oskar HardeggGerman politician
- Oskar HardmeierSwiss sprinter
- Oskar HartlGerman association football player
- Oskar HasselknippeNorwegian newspaper editor (1911–2001)
- Oskar HaugstrupDanish footballer (born 2007)
- Oskar HauserGerman physicist (1920-2005)
- Oskar HavkinSoviet poet
- Oskar HeckerGerman philologist
- Oskar HeckerGerman geodesist and seismologist (1864–1938)
- Oskar HedemannRomanist, translator
- Oskar Hedinsailor, trade unionist
- Oskar Hedlund
- Oskar HeilGerman electrical engineer (1908-1994)
- Oskar Heimstädtphysicist
- Oskar HeineEstonian musical instrument maker and entrepreneur (1892–1956)
- Oskar Heinecke
- Oskar Heinrichconductor
- Oskar Heinrich (Oskarovič) Hartoch1881-1942
- Oskar HeinrothGerman zoologist (1871-1945)
- Oskar Hejllactor
- Oskar HekšCzechoslovak runner (1908–1944)
- Oskar Helandnon-fiction writer
- Oskar Helbig
- Oskar Helcelvisual artist and photographer
- Oskar HellerCzech painter
- Oskar Hellmannpublisher, bookseller and author (1869-1944)
- Oskar HelmerAustrian politician (1887–1963)
- Oskar HelmerichGerman politician
- Oskar HendriksonEstonian lawyer (1906-1983)
- Oskar Henningssonprofessional golfer
- Oskar HennrichWorld War 1 flying ace
- Oskar Henrik Bergqvistorganist
- Oskar Henrik DumrathSwedish translator and writer (1844-1929)
- Oskar Henrik Speitz
- Oskar HenselGerman footballer
- Oskar Hensoldtcartographer, surveying engineer
- Oskar HentschelGerman teacher and classical philologist (1926–2019)
- Oskar HerdinSwedish politician (1857–1939)
- Oskar HergtGerman politician (1869–1967)
- Oskar Herics
- Oskar HermanCroatian painter (1886-1974)
- Oskar Hermann Artur SchlitterGerman diplomat (1904–1970)
- Oskar Hermann Planckpastor
- Oskar Hermannssonmusician
- Oskar Hermanssonmissionary
- Oskar HerrfurthGerman illustrator and painter (1862-1934)
- Oskar Herrmannbusinessperson
- Oskar Herrmannvolapükologist
- Oskar HerterichGerman engineer (1906-1978)
- Oskar HerwartzGerman navy officer and WWII submarine commander
- Oskar HesCzech actor
- Oskar HeurungGerman judge and jurist
- Oskar HeyGerman classical scholar (1866-1943)
- Oskar HickfangGerman university teacher (1885-1926)
- Oskar HillebrandtGerman singer and opera singer
- Oskar HinterleitnerAustrian entrepreneur and member of the Nazi party (1891–1978)
- Oskar HintoEstonian technologist and civil servant (1882-1961)
- Oskar HintragerGeheimer Regierungsrat, judge
- Oskar HippeGerman politician (1900-1990)
- Oskar HirschAustrian physician (1877-1965)
- Oskar Hjartåker BlegenNorwegian ice hockey player
- Oskar Hobyactor
- Oskar HockGerman physician (1898–1976)
- Oskar HoddøNorwegian political prisoner (b. 1916)
- Oskar HoffmannGerman writer (1866–1928)
- Oskar HoffmannGerman politician (1877-1953)
- Oskar HoffmannBaltic German painter (1851–1912)
- Oskar HoffmannGerman politician (1838-1909)
- Oskar Hoffmannarchitect
- Oskar Hoffmanncommunist, politician
- Oskar Hofheinzteacher, city council
- Oskar HofmeisterGerman photographer (1871–1937)
- Oskar HofmeisterHungarian-Germán actor
- Oskar HolingerSwiss wrestler
- Oskar Hollmannpolitician, trade unionist
- Oskar Holmqvistassociation football player
- Oskar Holmström
- Oskar HolstNorwegian violinist
- Oskar Holte1890s - 1960s
- Oskar HoltzmannGerman theologian, New Testament researcher (1859–1934)
- Oskar HolweckGerman artist (1924-2007)
- Oskar HomolkaAustrian actor (1898–1978)
- Oskar HordnesNorwegian police chief
- Oskar HorowitzAustrian architect
- Oskar Hovlundfloorball player
- Oskar HowaldSwiss natural scientist and professor of agricultural economics at ETH Zurich
- Oskar Huber1867-after 1937, German horticultural and fruit-growing technician, horticultural director and agric
- Oskar Hudaleswriter, translator
- Oskar HuemerAustrian politician (1916–1993)
- Oskar HugelmannAustrian actor
- Oskar HultSwedish painter (born 1986)
- Oskar HultmanFinnish linguist (1862–1929)
- Oskar HuthGerman piano maker
- Oskar Huttunenbusinessperson, wholesaler
- Oskar Hynénwriter
- Oskar HäfligerSwiss decathlete and discus thrower
- Oskar Håkansson
- Oskar HõimEstonian association football player (born 2005)
- Oskar HöckerGerman writer and actor (1892-1959)
- Oskar HöckerGerman writer, actor and stage actor (1840-1894)
- Oskar Höckert
- Oskar HöfingerAustrian sculptor (1935–2022)
- Oskar HöflingGerman writer (1906-1988)
- Oskar Hölderdraftsperson, sculptor
- Oskar HöppnerGerman painter (1871-1923)
- Oskar Hörrlemerchant
- Oskar HøjbyeDanish association football player (1996-)
- Oskar Hübschmann
- Oskar HünlichGerman politician
- Oskar HürschSwiss politician (1892-1979)
- Oskar IbruNigerian businessman
- Oskar IchaAustrian sculptor (1886-1945)
- Oskar Iden-ZellerGerman ethnologist (1879–1925)
- Oskar Ieremeevich KurganovRussian writer (1907–1997)
- Oskar Isaevich KamionskiĭRussian opera and chamber singer and music teacher (1869–1917)
- Oskar Israelphysician, pathologist
- Oskar J. Anderssonharness racer, harness racehorse trainer
- Oskar J. Schwenkbusinessperson
- Oskar J. W. HansenAmerican sculptor
- Oskar JaaksonEstonian military personnel (1907-1942)
- Oskar Jaensson
- Oskar JalajasEstonian military personnel (1894-1930)
- Oskar Jan TauschinskiAustrian author and translator (1914-1993)
- Oskar JanickiAustrian politician (1883-1945)
- Oskar Janner1968- composer
- Oskar JansonGerman manager (1919-2011)
- Oskar Janusz Królikowskiprintmaker
- Oskar JaschaAustrian composer (1881–1948)
- Oskar Jaskiewiczice hockey player (1996-)
- Oskar JegerAustrian chemist and professor at ETH Zurich
- Oskar JellinekAustrian author (1886–1949)
- Oskar JellvikSwedish Ice hockey player
- Oskar JennySwiss ice hockey player
- Oskar Jennygymnast
- Oskar JensenDanish politician (1924-1996)
- Oskar JeppsonFinnish farmer and politician (1878-1931)
- Oskar JerochnikGerman pianist
- Oskar JerschkeGerman playwright (1861-1928)
- Oskar JeziorPolish-born musician
- Oskar JeżPolish footballer
- Oskar JoelssonSwedish handball player
- Oskar Johan Hultkrantz
- Oskar Johann KaiserGerman businessperson (1907-2001)
- Oskar Johannes LøkenNorwegian association football player
- Oskar Johannes MehlGerman author (1875–1972)
- Oskar Johannes Stanikpainter, graphic artist
- Oskar Johannes WirkhausEstonian politician (1870-1920)
- Oskar JohanssonFinnish writer
- Oskar JohanssonSwedish footballer
- Oskar JohanssonSwedish wrestler
- Oskar JohanssonCanadian yacht racer
- Oskar JohanssonFinnish playwright
- Oskar John von Freyend
- Oskar JonssonSwedish politician
- Oskar Joostmusician (1898–1941)
- Oskar Josef Beckuniversity teacher, physician
- Oskar Josef Odstrčilvicar, philosopher
- Oskar Jozefovićcomposer, conductor
- Oskar Judexpolitician (1894-1953)
- Oskar JugSlovene forester
- Oskar Julius Ferdinand Henkeauthor, pedagogue
- Oskar Julius Nilssonfolk musician
- Oskar JuritkoGerman politician
- Oskar Just Petersensportsperson
- Oskar JustinusGerman journalist and writer (1839-1893)
- Oskar JuulEstonian cleric (1901-1962)
- Oskar JägerGerman historian (1830-1910)
- Oskar Jägerluger
- Oskar JänickeGermanist, secondary school teacher
- Oskar JægerNorwegian economist (1863–1933)
- Oskar JüngerGerman composer
- Oskar JürisEstonian philosopher (1909-1975)
- Oskar JüriväliEstonian politician (1884-1955)
- Oskar K. Rabinowicz1902-1969
- Oskar Kaczmarczykvolleyball player
- Oskar KaeslerGerman actor and director
- Oskar KaipioFinnish politician
- Oskar KalbfellGerman politician (1897-1979)
- Oskar KalbusGerman film producer (1890-1987)
- Oskar KallasEstonian linguist, folklorist, politician and diplomat (1868-1946)
- Oskar KallisEstonian painter (1892-1918)
- Oskar Kalmaru
- Oskar KalteneggerAustrian jurist
- Oskar KanehlGerman writer (1888-1929)
- Oskar KaplurEstonian wrestler (1889-1962)
- Oskar KappGerman association football player (1912-1943)
- Oskar KardinSwedish cross-country skier
- Oskar Karel DolencSlovene photographer
- Oskar Karichbusinessperson
- Oskar Karl Friedrich (Oskar Karlovic) TeichmannRussian military engineer, general-major
- Oskar Karl Johann LiigandEstonian journalist and politician (1874-1940)
- Oskar KarlinerPolish officer
- Oskar KarlssonFinnish military officer
- Oskar KarlweisAustrian actor (1894-1956)
- Oskar KarpaGerman art historian
- Oskar KarstedtGerman writer (1884-1945)
- Oskar KaskEstonian politician (1898-1942)
- Oskar KasperGerman painter (1876-1936)
- Oskar Kasprowski
- Oskar KauffmannAustrian psychiatrist (1898–1955)
- Oskar KaufmannHungarian architect
- Oskar KaulGerman musicologist (1885-1968)
- Oskar Kauschvolapükologist, lexicographer
- Oskar Kehr-SteinerGerman painter (1904-1990)
- Oskar Kellerchemist, pharmacist
- Oskar KellerSwiss teacher, linguist and dialect researcher
- Oskar KellnerGerman agricultural scientist (1851–1911)
- Oskar KersonEstonian diplomat and entrepreneur (1887-1980)
- Oskar KetelhutGerman actor
- Oskar KeymerGerman actor
- Oskar Kieckerengineer, architect
- Oskar Kieselhausenteacher, engineer
- Oskar KihlborgSwedish photographer
- Oskar KilgasEstonian veterinarian (1896–1975)
- Oskar KilianGerman author and editor of cycling literature (1860-1938)
- Oskar Kilpinen
- Oskar Kindlerfactory owner
- Oskar KirmesFinnish artistic gymnast (born 1995)
- Oskar KirpsonEstonian association football player (fl. 1920s)
- Oskar KirretEstonian chemist and athletics competitor (1909-1991)
- Oskar KiudsooEstonian local politician and partisan (1901-1961)
- Oskar Kiviranta
- Oskar Kjuderconductor, composer
- Oskar KleinSwedish physicist
- Oskar KleinsasserAustrian university teacher (1929-2001)
- Oskar Klekner
- Oskar KlemmertGerman politician and jurist (1925-2010)
- Oskar KlingnerGerman volleyball player
- Oskar KlooSwedish politician (1867-1949)
- Oskar KloseGerman radio host (1926–1976)
- Oskar Klugeconomist
- Oskar KlumppGerman politician (1906-1973)
- Oskar KnappGerman politician (1898-1967)
- Oskar KnoblauchGerman physicist (1862–1946)
- Oskar Knochemilitary personnel
- Oskar Knoevenagel
- Oskar KnofePolice
- Oskar KnudsenNorwegian handball player
- Oskar Kobelopinion journalist, teacher
- Oskar KobylińskiPolish physician (1856-1926)