Otto Schmidt (disambiguation)

Otto Schmidt (1891–1956) was a Soviet scientist, mathematician, astronomer, geophysicist, statesman, academician, and hero of the USSR.

Otto Schmidt may also refer to:


 * Otto Schmidt (aviator) (1885–1944), German World War I flying ace
 * Otto Schmidt (CDU) (1902–1984), German politician
 * Otto Schmidt (tennis), Hungarian tennis player
 * Otto Diller Schmidt (1884–1963), American Medal of Honor recipient
 * Joe Schmidt (ice hockey) (1926–2000), known as Otto, Canadian professional ice hockey player