Leelanau Township is a civil township of Leelanau County in the U.S. state of Michigan. At the northern tip of the Leelanau Peninsula, Leelanau Township is part of Northern Michigan, and is home to the village of Northport. Leelanau Township also includes the Fox Islands, as well as mainland shorelines on both Lake Michigan and Grand Traverse Bay. The township population was 1,552 at the 2020 census.

Leelanau County is a county located in the U.S. state of Michigan. As of the 2020 census, the population was 22,301. Since 2008, the county seat has been located within Suttons Bay Township, one mile east of the unincorporated village of Lake Leelanau. Before 2008, Leelanau County's seat was Leland. Leelanau County is included in the Traverse City metropolitan area of Northern Michigan. The largest settlement in Leelanau County by population is Greilickville, itself a suburb of Traverse City.