Otho (32–69 AD) was an emperor of the Roman Empire.

Otho may also refer to: People Lucius Salvius Otho, father of Roman emperor Otho Variant of the German name Otto Otho, a saint and companion in martyrdom to Berard of Carbio Otto of Greece (1815–1867), King of Greece Otho Clark (1889–1974), American football player Otho Cushing (1870-1942), American artist Otho Davis (1934–2000), trainer for the Baltimore Colts Lord Otho FitzGerald (1827–1882), member of the British Parliament Otho Nitcholas (1908–1986), American baseball player Otho Prior-Palmer (1897–1986), member of the British Parliament for Worthing Valentinus Otho or Valentin Otto (died 1603), German mathematician and astronomer Otho de Lagery, Pope Urban II Otto of Montferrat (disambiguation), several people whose names were anglicized as Otho

Others Otho, Alabama, United States Otho, Iowa, United States short for the Otho-Corpus Gospels, a fragmentary illuminated manuscript Otho, a character in the Deverry Cycle book series Otho (beetle), a genus of insects in the family Eucnemidae

See also Otto (disambiguation)