Lake Shetek State Park is a state park of Minnesota, United States, on Lake Shetek, which is the largest lake in southwestern Minnesota and the headwaters of the Des Moines River. It is most popular for water recreation and camping. However the park also contains historical resources related to the Dakota War of 1862, including an original log cabin and a monument to 15 white settlers killed there and at nearby Slaughter Slough on August 20, 1862.

Lake Shetek is the largest lake in southwestern Minnesota, United States, and the headwaters of the Des Moines River. It is located in The Lakes, an unincorporated community in Murray County a few miles north-northwest of Currie. The name Shetek is derived from "pelican" in the Ojibwe language.