Michael or Mike McCormack may refer to:Michael McCormack, Australian politician and former Deputy Prime Minister (2018-2021) Michael McCormack (judge), justice of the Nebraska Supreme Court Michael McCormack (1943−2002), played as a full-back for Tipperary Michael J. McCormack, Boston politician and lawyer Mike McCormack (1930−2013), played with the Cleveland Browns and coached the Eagles, Colts, and Seahawks Mike McCormack, Toronto Police officer and Toronto Police Association president Mike McCormack (politician) (1921−2020), US Congressman from Washington Mike McCormack (writer), Irish novelist and short story writer