Michael Lawrence Hart (born February 17, 1958) is an American former Major League Baseball outfielder. He played parts of two seasons in the major leagues, for the Minnesota Twins in and for the Baltimore Orioles in .
Hart went to high school in New Berlin, Wisconsin at New Berlin Eisenhower Middle/High School. Hart also went to college at the University of Wisconsin-Madison
Hart was drafted by the Seattle Mariners in . After three-plus seasons in their organization, he was released, and signed by the Twins, with whom he made his major league debut on May 8, 1984. He played in 13 games for the Twins, batting .172.
Hart spent with the Twins' top farm team, the Toledo Mud Hens. The following spring, he was traded to the Orioles, and spent all of in the minors as well, with the Rochester Red Wings. In , he got a second shot at the majors with Baltimore, spending the last month and a half of the season as the Orioles' starting center fielder. He fared a little better: although he hit his first four major league home runs, his batting average was just .158. Hart was released by the Orioles at the end of the season, ending his professional career.