List of Famous people named Otto

Otto Wilhelm (Wille) Kuusinen was a Finnish communist and, later, Soviet politician, literary historian, and poet who, after the defeat of the Reds in the Finnish Civil War, fled to the Soviet Union, where he worked until his death.

Otto, the Merry, a member of the House of Habsburg, was Duke of Austria and Styria from 1330, as well as Duke of Carinthia from 1335 until his death. He ruled jointly with his elder brother Duke Albert II.

Otto Kretschmer was a German naval officer and submariner in World War II and the Cold War.

Otto John was the first head of West Germany's domestic intelligence service, the Office for the Protection of the Constitution, from 1950 to 1954. He is best known for his controversial move to East Germany in 1954, which has been interpreted as treason or an abduction.

Otto Greiner was a German painter and graphic artist.

Otto Christian Archibald, Prince of Bismarck, was a German politician and diplomat, and the Prince of Bismarck from 1904 to his death. He was a prominent member of the Nazi party (1933–1945).

Otto Ender was an Austrian political figure. He served as the chancellor of Austria between 1930 and 1931.

Otto Dov Kulka was an Israeli historian, professor emeritus of the Hebrew University of Jerusalem. His primary areas of specialization were the study of modern antisemitism from the early modern age until its manifestation under the National-Socialist regime as the "Final Solution"; Jewish thought in Europe – and Jews in European thought – from the sixteenth to the twentieth century; Jewish-Christian relations in modern Europe; the history of the Jews in Germany; and the study of the Holocaust.

Otto Schultze was a Generaladmiral with the Kriegsmarine during World War II and a recipient of the Pour le Mérite during World War I. The Pour le Mérite was the Kingdom of Prussia's highest military order for German soldiers until the end of World War I. As a U-boat commander during World War I, he was credited with the sinking of 53 merchant ships for a total of 132,567 gross register tons, and HMS Falmouth of 5,275 long tons (5,360 t) displacement.

Otto Emil Franz Grotewohl was a German politician who served as the first prime minister of the German Democratic Republic from 1949 to 1964.