Wanblee is a census-designated place on the Pine Ridge Indian Reservation, located in Jackson County, South Dakota, United States. The population was 674 at the 2020 census, virtually all of whom are members of the Oglala band of Lakota Sioux. Wanbli is the Lakota word for eagle, and the town was named for its proximity to Wanbli hohpi paha. Wanblee is a few miles directly northeast of the North American continental pole of inaccessibility.

Jackson County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,806. Its county seat is Kadoka. The county was created in 1883, and was organized in 1915. Washabaugh County was merged into Jackson County in 1983.