People starting with O

83,599 records.

• Otto ŠpačekCzech general and pilot (1918–2007)
• Otto ŠteinSoviet military officer and Estonian philosopher (1900–1989)
• Otto ŠtěpánekCzech druggist (1881-1930)
• Otto ŪdentiņšLatvian military officer
• Otto, Burggraf von Leisnig in Penig- 1447
• Otto, Count of Asselfeudatory
• Otto, Count of BallenstedtCount of Ballenstedt (c.1070–1123)
• Otto, Count of Bentheim(1140-1208)
• Otto, Count of Cleves1274 - before 24 Feb 1311
• Otto, Count of Lippe-BrakeCount of Lippe-Brake
• Otto, Count of VermandoisFrench noble
• Otto, Count von Seefried auf ButtenheimGerman noble and officer, husband of princess Elisabeth Maria of Bavaria
• Otto, Duke of AustriaDuke of Austria
• Otto, Duke of Brunswick-GrubenhagenPrince of Taranto, 4th husband of queen Joanna I of Naples
• Otto, Duke of Brunswick-LüneburgDuke of Brunswick-Lüneburg
• Otto, Duke of BurgundyDuke of Burgundy
• Otto, Duke of Lolland and EstoniaDanish prince (1310-1340s)
• Otto, Duke of LorraineDuke of Lotharingia
• Otto, Duke of SaxonyPeerage person ID=7760
• Otto, Graf von Stolberg- 14 Nov 1337/6 Dec 1338
• Otto, Graf zu Solms-Laubach(1860-1904)
• Otto, King of BavariaKing of Bavaria (1848-1916)
• Otto, Landgrave of Hesse-KasselHereditary Prince of Hesse-Kassel, Administrator of Hersfeld Abbey
• Otto, Lord of ArkelLord of Arkel
• Otto, Lord of LippeLord of Lippe-Lemgo
• Otto, Margrave of the NordmarkGerman noble
• Otto, Prince of Hungaryfirst-born son of (Saint) Stephen I, king of Hungary
• Otto-Albrecht IsbertGerman author and non-fiction writer (1901-1986)
• Otto-Albrecht Neumüller(1930-2019) chemist
• Otto-Christoph Götzeroofer, politician
• Otto-Eberhard ZanderGerman university teacher
• Otto-Eduard KaarmaEstonian athletics competitor and physician (1905-1975)
• Otto-Eemeli LinkeFinnish ice hockey player
• Otto-Erich BroddeGerman chemist and pharmacologist (1942-2007)
• Otto-Erich EdenharterGerman actor
• Otto-Erich GeskeGerman jurist
• Otto-Erich Kahnmilitary personnel
• Otto-Erich LundGerman ophthalmologist (1925-2019)
• Otto-Erich Schillingcomposer
• Otto-Erich Simon
• Otto-Ernst FlickGerman businessman (1916-1974)
• Otto-Ernst OttenbacherGerman General and Knight's Cross recipient (1888-1975)
• Otto-Ernst SchüddekopfGerman historian (1912–1984)
• Otto-Eugen Mittelbergerphysician
• Otto-Friedrich GammGerman judge (1923-2001)
• Otto-Friedrich Gandertuniversity teacher, prehistorian
• Otto-Friedrich von Moltke1639 - 1692
• Otto-Friedrich von SchönbergGerman politician (1924-2008)
• Otto-Georg Beckmannbusinessperson
• Otto-Georg MoosdorfGerman violinist and conductor
• Otto-Günter LonhardGerman jurist (1933–2020)
• Otto-Heinrich DrechslerMayor of Lübeck (1895-1945)
• Otto-Heinrich EliasGerman historian and editor
• Otto-Heinrich NachtigallGerman navy officer and WWII submarine commander
• Otto-Heinz GrothGerman architect (1924–1981)
• Otto-Heinz Seybold
• Otto-Henning Nebe(1908-1941)
• Otto-Herman FreyGerman archaeologist and prehistorian (1929–2023)
• Otto-Hermann BrückerGerman General and Knight's Cross recipient
• Otto-Hubert KostGerman university teacher
• Otto-Iivari MeurmanFinnish architect (1890–1994)
• Otto-Jan HamDutch radio host
• Otto-Joachim GrüsserGerman physiologist
• Otto-Joachim LüdeckeGerman General and Knight's Cross recipients (1895-1971)
• Otto-Julius StärkGerman zoologist
• Otto-Karl SperlingGerman physician and orthopedic surgeon (1917–1996)
• Otto-Konstantin Prinz zu Sayn-Wittgenstein-Berleburg(1878-1955)
• Otto-Kurt LaagGerman teacher
• Otto-Pekka JurvainenFinnish association football player and futsal player
• Otto-Peter ObermeierGerman philosopher and veterinarian
• Otto-Raban Heinichenjurist, diplomat
• Otto-Raúl GonzálezGuatemalan writer and lawyer
• Otto-Robert LippEstonian footballer (born 2000)
• Otto-Rudolf PärlinEstonian politician (1887-1964)
• Otto-Rudolf Rothbartlibrarian
• Otto-Theodor BrouwerGerman politician (1906-1983)
• Otto-Tile von KalmGerman officer (1889-1986)
• Otto-Ulrich BlumGerman navy officer and world war II U-boat commander
• Otto-Ville Mikkelä
• Otto-Werner MarquardtGerman agronomist and pressure group
• Otto-Werner MuellerGerman conductor (1926-2016)
• Otto-Wilhelm FörsterGerman general (1885–1966)
• Otto-Wilhelm WandeslebenGerman police officer and SS officer
• Otto-William, Count of BurgundyCount of Burgundy (c. 958 – 1026)
• Ottoarndt GlossnerGerman lawyer (1923-2010)
• Ottobah CugoanoBritish abolitionist and activist (1757–1791)
• Ottobald Bischoffteacher
• Ottobald Hans Carl Grafen von Werthern-Beichlingenpolitician (1794-1878)
• Ottobon de Carretopolitician
• Ottobononotary
• Ottobono del CarrettoRoman Catholic bishop
• Ottobono Scribachronicler, notary
• Ottobuono de Bonacosapolitician
• Ottobuono de' TerziItalian condottiero
• Ottobuono di RazziItalian priest
• Ottocar Johann Ernst Ludwig von Seebach1712 - 20 Jun 1781
• Ottofritz GaillardGerman film actor (1915-2006)
• Ottogerd KaraschGerman YouTuber and ex soldier
• Ottogerd MühlmannGerman art historian, educationist and university teacher (1908-1987)
• Ottoheinrich JunkerGerman navy officer and WWII submarine commander
• Ottoi CălinRomanian socialist
• Ottokar Achtschinphotographer
• Ottokar Albertmilitary personnel, military officer
• Ottokar Alfred von Tillymilitary personnel
• Ottokar aus der Gaalhistorian, writer
• Ottokar BlahaAustrian philosopher
• Ottokar BonmannGerman church historian
• Ottokar Brzoza-BrzezinaPolish officer (1883–1968)
• Ottokar ChiariAustrian physician (1853–1918)
• Ottokar CzerninCzech diplomat and politician (1872–1932)
• Ottokar CzerninCzech nobleman
• Ottokar DoerffelGerman politician (1818–1906)
• Ottokar DommaCzech-German journalist, writer and children's book author (1924-2007)
• Ottokar DrumblAustrian elementary and vocational teacher, writer and National Socialist functionary
• Ottokar FeistmantelCzech geologist and paleontologist (1848-1891)
• Ottokar FischerAustrian magician (1873-1940)
• Ottokar Franz EbersbergAustrian author (1833–1886)
• Ottokar Franz Jacob Starhemberg(1681-1733)
• Ottokar Gauglitz
• Ottokar GräbnerGerman sculptor and painter (1904-1972)
• Ottokar Gunther Constantin Graf zu Sayn-Wittgenstein-Berleburg(1911-1955)
• Ottokar HahnGerman politician (1934-2020)
• Ottokar Haugparson, canon
• Ottokar I of Bohemiaduke and king of Bohemia
• Ottokar I of StyriaMargrave of Styria
• Ottokar II of BohemiaKing of Bohemia (1253-1278)
• Ottokar II of StyriaMargrave of Styria
• Ottokar III of StyriaMarggrave of Styria
• Ottokar IsraelGerman archivist and historian (1919–2004)
• Ottokar IV, Duke of StyriaMargrave of Styria from 1164 and Duke from 1180, when Styria, previously a margraviate subordinated
• Ottokar IvenGerman politician
• Ottokar JakobsAustrian racing driver
• Ottokar Janetschekwriter
• Ottokar Keilfarmer, politician
• Ottokar KernstockAustrian priest and author (1848–1928)
• Ottokar LandwehrAustrian painter
• Ottokar LehrnerAustrian actor
• Ottokar Lenečekauthor, pedagogue
• Ottokar LorenzGerman economic historian 1905-1943
• Ottokar LorenzGerman historian 1832-1904
• Ottokar LubanGerman historian
• Ottokar Löwitrailway engineer, engineer
• Ottokar MalekCzech and American pianist, conductor and music educator
• Ottokar Maria Schlechta von WschehrdAustrian poet, Orientalist, and diplomat (1825-1894)
• Ottokar Maria von AttemsAustrian priest (1815–1867)
• Ottokar MaschaAustrian lawyer and collector of posters (1852-1929)
• Ottokar Menzelhistorian, university teacher
• Ottokar NováčekCzech composer and violist (1866-1900)
• Ottokar PohlmannWest German equestrian
• Ottokar RengerGerman painter (1850-1876)
• Ottokar RunzeGerman film producer, director and screenwriter (1925–2018)
• Ottokar SchiewekOberlehrer
• Ottokar SchubertCzech educator (1867–1945)
• Ottokar Schubertsailor
• Ottokar SchuppGerman author (1834-1911)
• Ottokar Slawikcomposer
• Ottokar Stauf von der MarchAustrian journalist, literary critic, writer, and editor (1868–1941)
• Ottokar Tann-BerglerAustrian writer (1859-1912)
• Ottokar Tesarjurist
• Ottokar Thonjurist
• Ottokar TorrimEstonian chemist (1887-1939)
• Ottokar TrnkaCzech engineer (1871-1919)
• Ottokar TumlirzAustrian physicist (1856-1928)
• Ottokar UhlAustrian architect (1931–2011)
• Ottokar von FeilitzschGerman physicist
• Ottokar von Knieriem1893-1966
• Ottokar von Witzendorffjurist, politician
• Ottokar WalterAustrian artist, 1853-1904
• Ottokar Wanecek
• Ottokar WeberCzech historian
• Ottokar WeiseOlympic sailor
• Ottokar Wüstfunctionary, merchant
• Ottokár BoháčekHungarian mechanical engineer
• Ottokár KadićHungarian geologist, paleontologist (1876–1957)
• Ottokár ProhászkaCatholic bishop (1858-1927)
• Ottokár SoulavyHungarian civil engineer, railway expert and writer (1862–1915)
• Ottokár SzékelyHungarian monk and director (1895-1975)
• Ottola Nesmithactress (1889-1972)
• Ottolien BoeschotenDutch actor (born 1963)
• Ottoline LeyserBritish botanist
• Ottolino Zoppodiplomat
• Ottomar AlasEstonian tennis player and architect (1922-1975)
• Ottomar Anderlind(*1845-03-09)
• Ottomar AnschützGerman photographer and inventor (1846–1907)
• Ottomar AntonGerman graphic designer (1895-1976)
• Ottomar Aockerblom
• Ottomar Aßmusassociation football player
• Ottomar BachmannGerman classical philologist and high school teacher (1855-1918)
• Ottomar BatzelGerman politician
• Ottomar BehnschGerman translator (1813-1869)
• Ottomar Benedict FreseBaltic German cleric (1835-1864)
• Ottomar Benzpolitician, banker
• Ottomar BerndtSoviet composer (1896-1941)
• Ottomar BetaGerman opinion journalist and writer (1845-1913)
• Ottomar BlüherGerman civil law notary (1824–1891)
• Ottomar BorwitzkyGerman violinist
• Ottomar BorwitzkyGerman cellist (1930-2021)
• Ottomar Cludiuswriter (1850-1910)
• Ottomar DomnickGerman film director, author and psychiatrist (1907–1989)
• Ottomar Domrichphysician, physiologist
• Ottomar DouglasEstonian military personnel (1893-1984)
• Ottomar Elliger IIIDutch painter and botanical artist (1703? - 1735)
• Ottomar EnkingGerman writer (1867–1945)
• Ottomar Friedrich KleineGerman classical philologist and high school teacher (1800-1877)
• Ottomar GassenmeyerGerman sculptor (1930–2012)
• Ottomar GernRussian fortification engineer (1827–1882)
• Ottomar GeschkeGerman politician and locksmith (1882-1957)
• Ottomar H. Rothackereditor
• Ottomar HackiusDied 21 April 1670. Dutch, Painter. Active in The Hague.
• Ottomar HansenGerman officer (1904-1993)
• Ottomar HaxsenGerman politician (1898–1972)
• Ottomar Heinrich von HakenBaltic German chess player (1854-1929)
• Ottomar Hermesjudge
• Ottomar HoehneGerman university teacher (1871-1932)
• Ottomar Holdefleissironworker
• Ottomar Johan BranderSwedish artist
• Ottomar JummelGerman architect, active in Leipsic
• Ottomar JänichenGerman writer (1900-1967)
• Ottomar Krefftphysician
• Ottomar Krugmayor
• Ottomar Krupskidirector, canoeist
• Ottomar LadvaEstonian chess player and poker player (born 1997)
• Ottomar LilienthalEstonian lawyer (1882-1936)
• Ottomar MaddisonEstonian mechanics researcher (1879–1959)
• Ottomar Madlémilitary officer
• Ottomar MeykowBaltic German legal scholar (1823-1894)
• Ottomar MüllerGerman politician, judge and civil servant (1847-1921)
• Ottomar OertelGerman politician (1840-1914)
• Ottomar OttoKriminalrat (1892–1945)
• Ottomar PechGerman officer (1914-2000)
• Ottomar PintoBrazilian politician and general (1931-2007)
• Ottomar R. Hedenblad
• Ottomar Rodolphe Vlad Dracula Prince KretzulescoGerman socialite
• Ottomar Rohdeuniversity teacher
• Ottomar RosenbachGerman physician (1851–1907)
• Ottomar RothmannGerman merchant (1921–2018)
• Ottomar SachseGerman boxer (1951–2023)
• Ottomar Saladin Iscador Islami de Zadora Paszkowski-Plomienczek
• Ottomar SchreiberGerman politician (1889-1955)
• Ottomar Schuchardtlibrarian
• Ottomar SingerGerman politician (1860-1945)
• Ottomar StarkeGerman stage designer, graphic artist, author and translator (1886–1962)
• Ottomar SteinGerman architect (1867-1958)
• Ottomar VolkmerAustrian chemist and physicist (1839–1901)
• Ottomar von MayenburgGerman inventor (1865-1932)
• Ottomar Weberjurist
• Ottomar WeymannGerman painter (1853-1909)
• OttomixItalian disc jockey
• OttonRoman Catholic bishop
• Otton BeiersdorfPolish historian
• Otton BerezowskiPolish officer
• Otton BlutreichMajor of the Polish Army
• Otton Bruno Urban
• Otton CzeczottPolish psychiatrist (1842-1924)
• Otton CzurukPolish officer
• Otton de Loozcount of Looz
• Otton Doktorowicz-Hrebnicki
• Otton DąbrowskiPolish civil engineer
• Otton Edmund Ciechanowiecki
• Otton Edward BorzemskiPolish painter
• Otton EngelsRussian avant-garde artist, painter and engraver
• Otton Gloehmilitary personnel
• Otton GordziałkowskiPolish rower (1898-1994)
• Otton Grosserlieutenant colonel of Polish Army (1883-1943)
• Otton HedemannPolish historian
• Otton Hewelkephysician
• Otton Horwatt
• Otton HołyńskiPolish catholic priest, editor and publisher
• Otton IgnatovichRussian architect (1857-1915)
• Otton Jarzyna
• Otton Karol LiszkaOfficer of the Polish Army (1886-1957)
• Otton KrasnopolskiPolish architect
• Otton KrenzPolish priest (1890-1962)
• Otton KrzischPolish officer (1886-1963)
• Otton LaskowskiMajor of the Polish Army
• Otton LipkowskiPolish pedagogue (1907–1982)
• Otton Matuszek
• Otton Metzger
• Otton Mieczysław ŻukowskiPolish composer
• Otton Neumayer
• Otton of Poitiersbishop of Verdun
• Otton OpiełkaPolish association football player (1929-2000)
• Otton PawłowiczPolish soldier
• Otton RoczniokPolish officer
• Otton Sachelarie
• Otton Samójłowicz-SalamonowiczPolish officer
• Otton Sas-Hubicki
• Otton StackelbergBaltic German military personnel (1838-1882)
• Otton SteinbornPolish dermatologist
• Otton Szymków
• Otton von DessienBaltic German architect (1863–1918)
• Otton Weiland
• Otton Wiszniewskimilitary personnel
• Otton z Mstyczowascholaster
• Otton Zygmunt EysymontPolish officer
• Otton Ślizieńpainter
• OttoNdFinnish pro gamer
• Ottonepresbyter
• Ottone BacareddaItalian writer, politician and mayor (1848–1921)
• Ottone BrentariItalian geographer, historian and journalist (1852–1921)
• Ottone CalderariPalladian architect in Vicenza, Italy
• Ottone da BresciaCatholic priest, Catholic bishop
• Ottone da NovaraCatholic priest, Catholic bishop
• Ottone del Carrettomarquess of Savona (1170-1240)
• Ottone di Sutri
• Ottone Enrico del Caretto, Marquis of SavonaHoly Roman Empire Army commander (1629-1685)
• Ottone FrangipaneItalian hermit, saint
• Ottone Gabellidiplomat, politician
• Ottone GhiliniItalian archbishop
• Ottone HameraniItalian artist (1694–1761)
• Ottone Huberaircraft pilot
• Ottone II di BentheimGerman aristocrat
• Ottone Mandellicivil servant
• Ottone MorenaItalian writer
• Ottone Olivieriitalian-Yugoslav basketball player
• Ottone Pecorarisoldier
• Ottone RosaiItalian painter (1895-1957)
• Ottone SchanzerAustrian-Italian librettist
• Ottone Secondo Tournonpolitician (1833-1915)
• Ottone Viscontiarchbishop of Milan
• Ottone ZorliniBrazilian painter (1891-1967)
• Ottonella MocellinItalian photographer and video artist
• Ottonello ZanecalliItalian politician
• Ottoni Ferreira MacielBrazilian journalist
• Ottoni MinghelliBrazilian politician (1907-1997)
• Ottonie Bendrothactor
• Ottorino AloisioItalian architect (1902–1986)
• Ottorino AndreiniItalian artist (1872-1943)
• Ottorino AssolariItalian bishop
• Ottorino BarassiItalian football administrator (1898–1971)
• Ottorino Beltramimanager
• Ottorino BertoliniItalian medievalist (1892-1977)
• Ottorino BettarelloItalian rugby union player (1932–1991)
• Ottorino BicchiItalian painter (1878-1949)
• Ottorino BojardiItalian association football player (1898-1968)
• Ottorino BossiItalian association football player (1926-1986)
• Ottorino CaraccioloItalian painter and miniaturist (1855–1880)
• Ottorino CarlettiItalian politician (1873-1941)
• Ottorino CasanovaItalian footballer (1906-1986)
• Ottorino Castagnolirower
• Ottorino CelliItalian bicycle racer
• Ottorino Cerquiglini
• Ottorino Dall'OglioItalian motorcycle racer
• Ottorino Davighipresbyter
• Ottorino DavoliItalian painter (1888-1945)
• Ottorino De FioreItalian geologist
• Ottorino DuginiItalian association football player (1914-1997)
• Ottorino EnzoItalian rower
• Ottorino FichelliItalian association football player
• Ottorino FioreItalian politician (1944-2012)
• Ottorino FirmoItalian association football player
• Ottorino FlaboreaItalian basketball player and coach
• Ottorino Franco BertoliniItalian film director, screenwriter and film producer
• Ottorino GarosioItalian painter
• Ottorino GentilucciItalian composer and musicologist
• Ottorino Giannantonimilitary personnel
• Ottorino GieraItalian politician
• Ottorino GurgoItalian writer and journalist
• Ottorino Lazzarinisoldier
• Ottorino LuschiItalian jockey (1887-1970)
• Ottorino MancioliItalian painter (1908-1990)
• Ottorino ManniItalian journalist, writer, anarchist, libertarian and anticlerical
• Ottorino MarcoliniItalian presbyter (1897-1978)
• Ottorino MezzalamaItalian mountain climber and ski mountaineer (1888–1931)
• Ottorino MezzettiItalian politician (1887-1962)
• Ottorino MomoliItalian politician
• Ottorino MonacoItalian politician
• Ottorino Nobisvolapükologist
• Ottorino NonfarmaleItalian restorer
• Ottorino Orlandinipartisan
• Ottorino PaulinichItalian association football manager and association football player (1922-1980)
• Ottorino PerroneItalian politician (1897–1957)
• Ottorino PianigianiItalian politician and lexicographer (1845–1926)
• Ottorino PiccinatoItalian politician
• Ottorino Pietro AlbertiItalian Roman Catholic Archbishop (1927–2012)
• Ottorino PiottiItalian footballer
• Ottorino PolettiItalian association football player
• Ottorino Pomiliomilitary personnel
• Ottorino QuaglieriniItalian rower (1915-1992)
• Ottorino RavaniItalian association football player
• Ottorino RespighiItalian composer, musicologist and conductor
• Ottorino RizziItalian politician
• Ottorino SartorPeruvian association football player (1945–2021)
• Ottorino SchreiberItalian general
• Ottorino Tombolan Favamilitary personnel
• Ottorino Vanninijurist
• Ottorino Visconti di Modroneactor
• Ottorino VolonterioSwiss racing driver (1917–2003)
• Ottorino ZanonItalian presbyter (1915-1972)
• Ottou MarcellinCameroonian musician
• Ottoville Leppänenice hockey player
• OttramneCatholic priest
• Ottravadsmästaren
• Ottun VeraI.Sc in Chemistry from living stone college, Nairobi
• Otturi JanakkramB.Tech in Computer Science and Engineering from Arjun College of Technology and , Hyderabad
• Otturu HarikaSemi qualified in Accounting from ICAI, Nellore
• Otturu JeevanBsc CS in Computers from Sri Venkateswara University, Indiana
• Otturu SumanthBE BTech in Civil Engineering, Chennai
• Ottwald Johnwriter, actor
• Ottwell BinnsBritish novelist and minister
• Ottwin
• Otty Patiño
• Ottys E. SandersAmerican herpetologist
• Ottília Braga Antipoff
• Ottília MarsekHungarian actress (1948–1992?)
• Ottília Tusnek
• Ottília WassHungarian poet (1829-1917)
• Ottílio MachadoBrazilian herpetologist
• Ottó Abtmilitary personnel
• Ottó AlmstaierHungarian architect (1930–)
• Ottó ArtnerHungarian sculptor (1932–2005)
• Ottó AubéliOlympic wrestler
• Ottó B. KelényiHungarian librarian (1897–1944)
• Ottó BaditzHungarian painter (1849–1936)
• Ottó Balogheconomist (1945–2008)
• Ottó BenediktHungarian electrical engineer (1897-1975)
• Ottó Bergconductor, choir master, organist
• Ottó Bernátjournalist, lawyer
• Ottó BerzevicziHungarian actor (1812–1848)
• Ottó BerényiHungarian actor
• Ottó BeöthyHungarian librarian (1904-1985)
• Ottó BihariHungarian jurist
• Ottó BinderHungarian soldier (1889-1951)
• Ottó BláthyHungarian mechanical engineer (1860–1939)
• Ottó BodóHungarian dramaturge, critic, university lecturer from Romania (1974–)
• Ottó Bonnsports official
• Ottó BorosHungarian water polo player (1929–1988)
• Ottó BálintfiRomanian philosopher (1948–2025)
• Ottó BánovitcsHungarian-Swedish filmmaker
• Ottó BíróRomanian ice hockey player
• Ottó CsicsayHungarian handball player (1961–)
• Ottó CsikyHungarian jurist and university teacher (1928-2008)
• Ottó Csámpaisociologist
• Ottó Csétimining engineer
• Ottó CzúczHungarian jurist, member of Constitutional Court of Hungary
• Ottó Demcsákdancer, choreographer
• Ottó DeményHungarian painter, graphic designer and activist (1896-1919)
• Ottó DeményHungarian poet
• Ottó DessewffySub-Prefect of Nógrád county, Member of Parliament, lay supervisor of the Lutheran mining district (
• Ottó Dienespedagogue, writer
• Ottó DomonkosHungarian historian
• Ottó DérHungarian dermatologist
• Ottó DóraHungarian politician and mayor (1962-2015)
• Ottó EibenHungarian biologist
• Ottó ElekHungarian musician
• Ottó FarkasHungarian metallurgical engineer, university rector
• Ottó FarkasHungarian-Slovakian writer
• Ottó FehérHungarian physician
• Ottó Fenyvesipoet, editor
• Ottó FettickHungarian veterinarian, physician, pediatrician and university professor
• Ottó FokyHungarian animated film director (1927–2012)
• Ottó ForgácsHungarian cinematographer
• Ottó Földfilm director, production manager and film producer
• Ottó Földiannouncer, presenter
• Ottó FörsterHungarian lawyer, politician
• Ottó FüzessyHungarian actor (1928–1988)
• Ottó GadóHungarian economist (1914-2001)
• Ottó GajdicsHungarian teacher, journalist (1963–)
• Ottó GratzHungarian veterinarian (1879-1956)
• Ottó GyevátHungarian voice actor
• Ottó Gömörifootball player
• Ottó HajduHungarian statistician (1959-2022)
• Ottó Halászcivil engineer
• Ottó Haszpra(1928-2012) hydraulic engineer, Esperantist
• Ottó HeinekHungarian German journalist and politician (1960–2018)
• Ottó Hellmichgymnast (1874-1937)
• Ottó HerkayHungarian journalist and politician (1897-20th century)
• Ottó HermanHungarian archaeologist, ethnographer, biologist, politician (1835–1914)
• Ottó Hoffmannlinguist, school inspector, university teacher (1925–2012)
• Ottó Hollai Hehsjournalist
• Ottó HutterHungarian computer scientist (1961-2006)
• Ottó HutterHungarian electrical engineer (1930-2008)
• Ottó HámoriHungarian journalist (1928–1983)
• Ottó HátszeghyHungarian fencer (1902–1977)
• Ottó HéviziHungarian philosopher 1959-
• Ottó HévíziHungarian association football referee
• Ottó Hómaneditor, university teacher
• Ottó IndigHungarian journalist
• Ottó JeneiHungarian actor (1900-1960)
• Ottó Jávorwriter, translator
• Ottó JónssonIcelandic association football player (1921-1995)
• Ottó KaiserHungarian photographer
• Ottó Kalotay KreipelHungarian sculptor (1870–1938)
• Ottó KarvalicsHungarian politician
• Ottó KinizsiHungarian actor
• Ottó KissHungarian sports official (1928-2017)
• Ottó KissHungarian entomologist
• Ottó KissHungarian author and journalist
• Ottó KomlósIsraeli Rabbinical scholar (1913-1988)
• Ottó KomolyHungarian humanitarian (1892-1945)
• Ottó Koritsánszky(1882-1952)
• Ottó KoroknyaiHungarian painter (1856-1898)
• Ottó KorvinHungarian politician (1894-1919)
• Ottó KárolyiFrench musicologist
• Ottó Kárpátyspecial education teacher
• Ottó Kőváry
• Ottó L'AunéRomanian engineer
• Ottó Lakatosteacher, priest
• Ottó Lopatovszkigymnast
• Ottó László IndigRomanian writer (1936–2005)