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Michael Angelo Hayes (1820–1877), Irish watercolourist who specialised in painting horses and military subjects •
Michael Hayes (wrestler) (born 1959), American wrestler •
Michael Hayes (mass shooter) (born 1964), North Carolina (USA) mass shooter whose case sparked controversy over the insanity defense •
Michael Hayes (TV series), an American TV series •
Mickie Most (Michael Peter Hayes, 1938–2003), English record producer •
Mike Hayes (businessman), English businessman •
Mike Hayes (fighter) (born 1980), American mixed martial artist •
Michael Hayes (director) (1929–2014), British TV director •
Michael Hayes (Canadian football) (born 1990), American gridiron football player