Michael Hart, Mike Hart, or Mickey Hart may refer to:
Politicians
Michael Hart (Australian politician) (born 1960), Australian politician in Queensland Michael Hart (mayor) (c. 1814–1878), New Zealand politician Michael J. Hart (1877–1951), American politician in Michigan
Sportsmen
Michael Hart (footballer) (born 1980), Scottish footballer
Michael Hart (rower) (born 1951), British rower in 1972 Summer Olympics
Mike Hart (American football) (born 1986), American football player and coach
Mike Hart (left-handed hitter) (born 1958), MLB outfielder for the Minnesota Twins and Baltimore Orioles Mike Hart (poker player) (active since 1984), American poker player Mike Hart (switch hitter) (born 1951), MLB outfielder for the Texas Rangers
Others
Michael Hart (judge) (1948–2007), judge of the High Court of England and Wales
Michael Hart (political scientist) (born 1956), British academic at Exeter College, Oxford Michael H. Hart (born 1932), American physicist and futurist author Michael S. Hart (1947–2011), American founder of Project Gutenberg Mickey Hart (born 1943), drummer and musicologist with the Grateful Dead Mike Hart (singer-songwriter) (1943–2016), English poet and singer/songwriter from Liverpool