Michael Barnett

Michael or Mike Barnett may refer to:
 * Michael N. Barnett (born 1960), constructivist scholar of international relations
 * Michael P. Barnett (1929–2012), British chemist and computer scientist
 * R. Michael Barnett, physicist
 * Michael Barnett (soccer), Australian football (soccer) player
 * Big Mike (rapper) (born 1971), American rapper Michael Barnett
 * Mike Barnett (athlete) (born 1961), American athlete
 * Mike Barnett (baseball) (born 1959), American League baseball hitting coach
 * Mike Barnett (ice hockey) (born 1948), former general manager in the NHL for the Phoenix Coyotes
 * Mike Barnett (politician) (1946–2023), Australian politician
 * Mike Barnett, musician on the Adrian Belew album Young Lions