People — O
Otto Hofbauer
b. 1932
association football player
Otto Hofer
b. 1944
dressage rider
Otto Hoffman
1879 – 1944
actor
Otto Hoffmann
1833 – 1905
jurist
Otto Hoffmann von Waldau
1898 – 1943
military personnel
Otto Höfler
1901 – 1987
linguist
Otto Hofmann
1907 – 1996
painter
Otto Hofmann
1896 – 1982
military personnel
Otto Hofner
1879 – 1946
sculptor
Otto Höhne
1895 – 1969
military personnel
Otto Hölder
1859 – 1937
mathematician
Otto Holzapfel
b. 1941
ethnologist
Otto Homlung
1943 – 2025
theatre director
Otto Hönigschmid
1878 – 1945
chemist
Otto Honkaheimo
b. 1985
ice hockey player
Otto Hooff
1881 – 1960
competitive diver
Otto Hoogesteijn
1903 – 1966
swimmer
Otto Horber
1912 – 2003
sport shooter
Otto Hornung
1920 – 2013
philatelist
Otto Hörsing
1874 – 1937
politician
Otto Höss
1902 – 1971
association football player
Otto Hoynck
1630 – 1706
painter
Otto Huber
1914 – 1989
baseball player
Otto Huber
b. 1944
botanist
Otto Hufnagel
1885 – 1944
teacher
Otto Huiswoud
1893 – 1961
activist
Otto Hulett
1898 – 1983
actor
Otto Hultberg
1877 – 1954
sport shooter
Otto Hunte
1881 – 1960
art director
Otto Hunziker
1879 – 1940
judge
Otto Hupp
1859 – 1949
painter
Otto Huseklepp
1892 – 1964
politician
Otto Husted
1902 – 1980
field hockey player
Otto Huth
1906 – 1998
university teacher
Otto Hutschenreuter
1862 – 1944
cellist
Otto Huttunen
b. 1991
ice hockey player
Otto Huuhtanen
b. 2000
association football player
Otto I
1020 – 1078
aristocrat
Otto I
1300 – 1305
Otto I
1180 – 1234
aristocrat
Otto I
1194 – 1215
Catholic priest
Otto I, Count of Burgundy
1170 – 1200
aristocrat
Otto I, Count of Duras
Otto I, Count of Guelders
1150 – 1207
aristocrat
Otto I, Count of Oldenburg
1175 – 1251
Otto I, Count of Salm
1080 – 1150
aristocrat
Otto I, Count of Savoy
1023 – 1060
aristocrat
Otto I, Count of Scheyern-Dachau-Valley
Otto I, Count of Schwerin
Otto I
1390 – 1461
count palatine
Otto I, Duke of Brunswick-Göttingen
1340 – 1394
aristocrat
Otto I, Duke of Brunswick-Harburg
1495 – 1549
aristocrat
Otto I, Duke of Carinthia
948 – 1004
ruler
Otto I, Duke of Pomerania
1279 – 1344
aristocrat
Otto I, Duke of Swabia and Bavaria
954 – 982
sovereign
Otto I, Landgrave of Hesse
1272 – 1328
ruler
Otto I, Margrave of Hachberg-Sausenberg
1302 – 1384
ruler
Otto I, Margrave of Meissen
1050 – 1067
aristocrat
Otto I, Marquess of Montferrat
950 – 991
sovereign
Otto I of Chiny
feudatory
Otto I of Nassau
1247 – 1300
Otto I of Olomouc
monarch
Otto I, Prince of Anhalt-Aschersleben
1250 – 1304
aristocrat
Otto I
1128 – 1184
ruler
Otto I
835 – 912
sovereign
Otto I the Great
912 – 973
ruler
Otto I Wittelsbach, Duke of Bavaria
1120 – 1183
ruler
Otto II
1050 – 1120
aristocrat
Otto II, Count of Chiny
1065 – 1101
aristocrat
Otto II, Count of Duras
1110 – 1147
Otto II, Count of Guelders
1215 – 1271
aristocrat
Otto II, Count of Habsburg
1100 – 1111
aristocrat
Otto II, Count of Rietberg
Otto II, Count of Waldeck
1301 – 1369
Otto II, Count of Zutphen
1050 – 1113
aristocrat
Otto II, Count Palatine of Mosbach-Neumarkt
1435 – 1499
Otto II, Duke of Brunswick-Göttingen
1380 – 1463
aristocrat
Otto II, Duke of Brunswick-Grubenhagen
1396 – 1452
ruler
Otto II, Duke of Brunswick-Harburg
1528 – 1603
aristocrat
Otto II, Duke of Brunswick-Lüneburg
1266 – 1330
Otto II , Duke of Lower Lorraine
970 – 1012
feudatory
Otto II, Duke of Pomerania
1375 – 1428
aristocrat
Otto II, Duke of Swabia
950 – 1047
count palatine
Otto II
955 – 983
emperor
Otto II, Margrave of Brandenburg
ruler
Otto II, Margrave of Meissen
1125 – 1190
ruler
Otto II, Marquess of Montferrat
1015 – 1084
sovereign
Otto II of Berg
1200 – 1220
Catholic priest
Otto II of Lippe
1200 – 1227
Catholic priest
Otto II of Nassau-Siegen
1305 – 1350
count
Otto II, Prince of Anhalt-Aschersleben
1260 – 1315
aristocrat
Otto II the Black
1085 – 1126
ruler
Otto II Wittelsbach
1206 – 1253
ruler
Otto III
1470 – 1535
aristocrat
Otto III
950 – 1057
Otto III
1572 – 1641
aristocrat
Otto III
1296 – 1352
aristocrat
Otto III, Count of Waldeck
1389 – 1459
Otto III, Count of Weimar-Orlamünde
1244 – 1285
Otto III, Duke of Carinthia
1265 – 1310
politician