Hart is a city in the U.S. state of Michigan. As of the 2000 census, the city population was 1,950. It is the county seat of Oceana County. The city is located within Hart Township, but is politically independent.
Hart was the birthplace of Donald W. Wolf, a World War II U.S. Marine Corps hero who was killed in action at Guadalcanal.
Hart is also home to the north end of the Hart-Montague Trail.