Hosta

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