List of Famous people named Otto

Landgrave Otto of Hessen-Kassel, was hereditary prince of Hesse-Kassel and administrator of Hersfeld Abbey.

Otto Hermann Kahn was a German-born American investment banker, collector, philanthropist, and patron of the arts.

Otto of Freising was a German churchman and chronicler. He was Otto I Bishop of Freising as from 1138.

Otto I of Brunswick-Lüneburg, a member of the House of Welf, was the first duke of Brunswick-Lüneburg from 1235 until his death. He is called Otto the Child to distinguish him from his uncle, Emperor Otto IV.

Otto III, nicknamed the pious was Margrave of Brandenburg jointly with his elder brother John I until John died in 1266. Otto III then ruled alone, until his death, the following year.

Otto, Duke of Brunswick-Lüneburg was the Prince of Lüneburg from 1520 to 1527 and Baron of Harburg from 1527 to 1549.

Otto Kumm was a German divisional commander in the Waffen-SS during World War II and a recipient of the Knight's Cross of the Iron Cross with Oak Leaves and Swords. After the war, he became one of the founders of HIAG, a lobby group and a revisionist organization of former Waffen-SS members.

Otto I of Hesse was Landgrave of Hesse from 1308 until his death.

Otto Graf zu Stolberg-Wernigerode was an Imperial German politician and the first Vice-Chancellor of Germany.

Otto Georg Thierack was a German Nazi jurist and politician.