Michael Hart, Mike Hart, or Mickey Hart may refer to:
- Michael Hart (mayor) (c. 1814–1878), Mayor of Christchurch 1873–1874
- Michael Hart (political scientist) (born 1956), British academic at Exeter College, Oxford
- Michael Hart (rower) (born 1951), British rower and participant in 1972 Summer Olympics
- Michael Hart (footballer) (born 1980), Scottish footballer
- Michael Hart (judge) (1948–2007), British judge
- Michael H. Hart (born 1932), American physicist and futurist author
- Michael J. Hart (1877–1951), American politician in Michigan
- Michael S. Hart (1947–2011), American founder of Project Gutenberg
- Mickey Hart (born 1943), drummer and musicologist with the Grateful Dead
- Mike Hart (American football) (born 1986), American football player
- Mike Hart (poker player) (fl. c. 1990), American poker player
- Mike Hart (switch hitter) (born 1951), MLB outfielder for the Texas Rangers
- Mike Hart (left-handed hitter) (born 1958), MLB outfielder for the Minnesota Twins and Baltimore Orioles
- Mike Hart (singer/songwriter), English poet and singer/songwriter from Liverpool
- Michael Hart (Australian politician), member of the Legislative Assembly of Queensland
Famous quotes containing the words michael and/or hart:
“I never felt so fervently thankful, so soothed, so tranquil, so filled with the blessed peace, as I did yesterday when I learned that Michael Angelo was dead.”
—Mark Twain [Samuel Langhorne Clemens] (1835–1910)
“I’m ashamed of myself and this magazine too. The sloppy, slovenly notion that everybody’s busy doing bigger things. Well, there just isn’t anything bigger than beating down the complacence of essentially decent people about prejudice. Yes, I’m ashamed of myself.”
—Moss Hart (1904–1961)