Otto Schmidt (1891–1956) was a Soviet scientist, mathematician, astronomer, geophysicist, statesman, academician, and hero of the USSR.
Otto Schmidt may also refer to: People 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
Other uses Otto Schmidt (ship)