Michael Hart, Mike Hart, or variants 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 (outfielder, born 1958), Major League Baseball (MLB) outfielder for the Minnesota Twins and Baltimore Orioles Mike Hart (outfielder, born 1951), MLB outfielder for the Texas Rangers Mike Hart (poker player) (active since 1984), American poker player
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, amateur historian, and self-described white separatist 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 Mikey Freedom Hart, American singer-songwriter, multi-instrumentalist, and record producer Mick Hart (1970–2020), Australian musician