List of Famous people named Otto

Otto Sirgo is an actor of Cuban and Mexican nationalities, and director of Mexican telenovelas and theater. He is the son of Cuban actor Otto Sirgo and Mexican actress Magda Haller and was married to Maleni Morales, also an actress, until her death in 2020. He starred in Recien Cazado along with Jaime Camil and Gabriela Vargas.

Otto Planetta was an Austrian National Socialist. On 25 July 1934 he murdered Engelbert Dollfuss, Austrian Chancellor during the unsuccessful July Putsch, four years before the Anschluss. He and the other assassins were members of SS Regiment 89. He was sentenced to death and executed by hanging. He was cremated at Feuerhalle Simmering. His ashes are buried at Dornbacher Friedhof in Vienna.

Otto I, a member of the House of Andechs, was Duke of Merania from 1204 until his death. He was also Count of Burgundy from 1208 to 1231, by his marriage to Countess Beatrice II, and Margrave of Istria and Carniola from 1228 until his death.

Otto I was the Count Palatine of Mosbach from 1410 until 1448, and the Count Palatine of Mosbach-Neumarkt from 1448 until 1461.

Otto John Schaden was an American Egyptologist. He was the field director of the Amenmesse Tomb Project of the University of Memphis (Tennessee). In addition to his work on the tomb of Amenmesse (KV10) in the main arm of the Valley of the Kings, he has also cleared and reinvestigated tombs WV23, WV24, and WV25 in the Western Valley.

Margrave Otto V of Brandenburg-Salzwedel, nicknamed Otto the Tall, was a son of Margrave Otto III and co-ruler of Brandenburg with his cousin, Margrave Otto IV.

Otto, Count of Lippe-Brake was the first ruling Count of Lippe-Brake.

Otto Schulmeister was an Austrian journalist, who was described as the doyen of Austrian journalism. He was editor-in-chief of Die Presse from 1961 to 1976 and its publisher from 1976 to 1989. He was the father of former ORF correspondent Paul Schulmeister, and economist Stephan Schulmeister. Formerly a NSDAP member, it was revealed in 2009 that he worked for the CIA from the 1960s.

Otto I of Guelders (1150–1207) was a Count of Guelders and Zutphen from 1182 until his death in 1207. He was a son of Duke Hendrik of Guelders and Agnes of Arnstein. He married Richardis of Bavaria in 1184. Richardis was a daughter of Otto I Wittelsbach, Duke of Bavaria.

Otto IV of Schaumburg was a German nobleman. He was a ruling Count of Schauenburg and of Holstein-Pinneberg. He was a son of Jobst I and his wife Maria of Nassau, a daughter of Count Johann V of Nassau-Vianden-Dietz.