People — O
Otto III, Duke of Pomerania
1444 – 1464
aristocrat
Otto III, Margrave of Brandenburg
1215 – 1267
ruler
Otto III of Bergau
1356 – 1414
Otto III of Hachberg
1388 – 1451
Catholic priest
Otto III of Ravensberg
1246 – 1306
Otto III, Prince of Anhalt-Bernburg
aristocrat
Otto III
980 – 1002
ruler
Otto III
1208 – 1248
ruler
Otto III van Holland
Catholic priest
Otto-Iivari Meurman
1890 – 1994
architect
Otto Illies
1881 – 1959
painter
Otto Immisch
1862 – 1936
linguist
Otto Invenius
b. 2000
biathlete
Otto Ipinge
politician
Otto Ites
1918 – 1982
naval officer
Otto IV, Count of Burgundy
1248 – 1303
aristocrat
Otto IV, Count of Ravensberg
1276 – 1328
Otto IV, Count of Rietberg
1510 – 1553
Otto IV, Count of Waldeck
1440 – 1495
Otto IV, Count of Wittelsbach
1104 – 1156
aristocrat
Otto IV, Holy Roman Emperor
1175 – 1218
monarch
Otto IV, Margrave of Brandenburg-Stendal
1238 – 1308
writer
Otto IV of Bergau
1399 – 1452
military leader
Otto IV of Schaumburg
1517 – 1576
Catholic priest
Otto IV, Prince of Anhalt-Bernburg
aristocrat
Otto J. M. Smith
1917 – 2009
engineer
Otto J. Maenchen-Helfen
1894 – 1969
historian
Otto J. Wolff
b. 1950
economist
Otto Jabelmann
1891 – 1943
mechanical engineer
Otto Jacobs
1889 – 1955
baseball player
Otto Jaekel
1863 – 1929
paleontologist
Otto Jaffe
1846 – 1929
politician
Otto Jäger
1890 – 1917
flying ace
Otto Jahn
1813 – 1869
art historian
Otto Jaksch
b. 1992
ice hockey player
Otto Janczik
b. 1899
association football player
Otto Jelinek
1940 – 2026
figure skater
Otto Jemelka
1914 – 2008
modern pentathlete
Otto Jensen
1856 – 1918
politician
Otto Jensen
1893 – 1972
sport cyclist
Otto Jespersen
1860 – 1943
linguist
Otto Jespersen
b. 1954
comedian
Otto Jindra
1886 – 1932
aircraft pilot
Otto Jírovec
1907 – 1972
parasitologist
Otto Joachim
1910 – 2010
composer
Otto Joachim Løvenskiold
1811 – 1882
judge
Otto-Joachim Lüdecke
1895 – 1971
military personnel
Otto Joachim Moltke
1770 – 1853
politician
Otto Jochum
1898 – 1969
composer
Otto Johann Zahn
1872 – 1965
politician
Otto Johannessen
1894 – 1962
artistic gymnast
Otto John
1909 – 1997
politician
Otto John Hehnke
1870 – 1944
architect
Otto Julius Bierbaum
1865 – 1910
journalist
Otto Julius Klotz
1852 – 1923
astronomer
Otto Julius Zobel
1887 – 1970
inventor
Otto Jung
1930 – 1998
athlete
Otto Junge
1887 – 1978
chess player
Otto Jungtow
1892 – 1961
association football player
Otto Jürgen Hofmann
1918 – 2001
Pipe organ
Otto K. Eitel
1901 – 1983
hotel manager
Otto Kade
1819 – 1900
musicologist
Otto Kade
1927 – 1980
philologist
Otto Kahler
1849 – 1893
physician
Otto Kähler
1894 – 1967
navigator
Otto Kahn-Freund
1900 – 1979
judge
Otto Kaiser
1924 – 2017
theologian
Otto Kaiser
1901 – 1977
figure skater
Otto Kalischer
1869 – 1942
anatomist
Otto Kaller
1907 – 1985
association football player
Otto Kallir
1894 – 1978
art historian
Otto Kalvitsa
1888 – 1930
explorer
Otto Kameke
1826 – 1899
painter
Otto Kanturek
1897 – 1941
cinematographer
Otto Karhi
1876 – 1966
politician
Otto Karl Berg
1815 – 1866
botanist
Otto Karlowa
1883 – 1940
naval officer
Ottó Károlyi
1934 – 2016
musicologist
Ottó Karvalics
b. 1947
politician
Otto Karvinen
b. 1990
ice hockey player
Otto Kässbohrer
1904 – 1989
engineer
Otto Kästner
1909 – 2002
boxer
Otto Katharus Lind
1920 – 2000
military personnel
Otto Katz
1895 – 1952
journalist
Otto Kauba
1908 – 1962
aerospace engineer
Otto Kaus
1920 – 1996
lawyer
Otto Keller
1939 – 2014
association football player
Otto Keller
1838 – 1927
classical philologist
Otto Kelly
1880 – 1946
cricketer
Otto Kelmer
b. 1948
director
Otto Kelsey
1852 – 1934
politician
Otto Kemp
b. 1999
baseball player
Otto Kempner
1858 – 1914
politician
Otto Kemppainen
b. 2003
association football player
Otto Kern
1863 – 1942
linguist
Otto Kerner, Jr.
1908 – 1976
lawyer
Otto Kerner, Sr.
1884 – 1952
lawyer
Otto Kersten
1928 – 1982
syndicalist
Otto Kersten
1839 – 1900
chemist
Otto Kestola
b. 1936
artistic gymnast