List of Famous people named Otto

Otto Ludwig Preminger was an Austrian-born theatre and film director.

Otto III was Holy Roman Emperor from 996 until his early death in 1002. A member of the Ottonian dynasty, Otto III was the only son of the Emperor Otto II and his wife Theophanu.

Otto Wegener was a Swedish-born French portrait photographer.

Otto Stern was a German-American physicist and Nobel laureate in physics. He was the second most nominated person for a Nobel Prize with 82 nominations in the years 1925–1945, ultimately winning in 1943.

Otto Braun was a German Communist journalist and functionary of the Communist Party of Germany with a long and varied career. His most significant role was as a Comintern agent sent to China in 1934, to advise the Communist Party of China (CPC) on military strategy during the Chinese Civil War. At the time Braun adopted a Chinese name, Li De ; it was only many years later that Otto Braun and "Li De" came to be known as the same person.

Otto Karl Robert Wernicke was a German actor. He was best known for his role as police inspector Karl Lohmann in the two Fritz Lang films M and The Testament of Dr. Mabuse. He was the first actor to portray Captain Smith in the first "official" Titanic film.

Otto Hermann Wilhelm Moll was a sadistic SS non-commissioned officer who was executed for atrocities he committed while working at Auschwitz concentration camp during the Second World War. The SS-Hauptscharführer, who held the rank of Quartermaster Sergeant, is said to have personally killed thousands of innocent victims during his time at Birkenau.

Otto Ubbelohde was a German painter, etcher and illustrator.

Otto Hersing was a German naval officer who served as U-boat commander in the Kaiserliche Marine and the k.u.k. Kriegsmarine during World War I.

Otto Benjamín de la Rocha López was a Nicaraguan singer, songwriter and radio actor, best known for his characterization of the picaresque persona Aniceto Prieto.