Bijou Hills () is an unincorporated community and census-designated place in Brule County, South Dakota, United States. As of 2020 census, The population was 2, down from 6 in 2010.
The CDP is located in southern Brule County, at the south base of a small ridge known as the Bijou Hills. The community is northeast of South Dakota Highway 50 and south of Interstate 90.
Bijou Hills was laid out in 1875, and named after a nearby group of hills. A post office called Bijou Hills was established in 1877, and remained in operation until 1957.
In 1976, Bijou Hills was designated as a National Natural Landmark by the National Park Service.