Nasewaupee is a town in Door County, Wisconsin, United States. The population was 2,061 at the 2010 census. The unincorporated community of Idlewild is located in the town, as is Sherwood Point Light and Potawatomi State Park.

Potawatomi State Park is a 1,225-acre (496 ha) Wisconsin state park northwest of the city of Sturgeon Bay, Wisconsin in the Town of Nasewaupee. It is located in Door County along Sturgeon Bay, a bay within the bay of Green Bay. Potawatomi State Park was established in 1928.