Mullett Township is a civil township of Cheboygan County in the U.S. state of Michigan. The population was 1,236 at the 2020 census. Both the township and Mullett Lake are named for John Mullett, who surveyed much of the area between 1840 and 1843.

Cheboygan County is a county in the U.S. state of Michigan. As of the 2020 census, the population was 25,579. The county seat is Cheboygan. The county boundaries were set off in 1840, with land partitioned from Michilimackinac County. The Cheboygan County government was organized and combined with the former Wyandot County in 1853.