Wounded Knee is a census-designated place on the Pine Ridge Indian Reservation in Oglala Lakota County, South Dakota, United States. The population was 364 at the 2020 census. The town is named for the Wounded Knee Creek which runs through the region. The bones and heart of the Sioux chief Crazy Horse were reputedly buried along this creek by his family following his death in 1877. The town lies within the Pine Ridge Reservation, territory of the Oglala Lakota.