Otto Hamacek (1 October 1896 â 26 March 1984) was an Austrian football player and coach.
As player he was a midfielder and played with SK Rapid Wien in the 1923âÂÂ24 Austrian championship. He played for the Vienna selection team in 1919 representing Rapid.
Later he became a coach and managed Swiss top-flight side FC Luzern between February and summer 1929 and Yugoslav side SK Vojvodina from 1930 to 1932.