Pine Ridge Airport (IATA: XPR, ICAO: KIEN, FAA LID: IEN) is a public use airport located two nautical miles (3.7 km) east of the central business district of Pine Ridge, in Oglala Lakota County, South Dakota, United States.

[1] The airport is owned by the Oglala Sioux Tribe,[1] which has its tribal headquarters at Pine Ridge on the Pine Ridge Indian Reservation.

[2] According to the FAA's National Plan of Integrated Airport Systems for 2009–2013, it is categorized as a general aviation facility.

[4] Pine Ridge Airport covers an area of 315 acres (127 ha) at an elevation of 3,333 feet (1,016 m) above mean sea level.

For the 12-month period ending May 12, 2008, the airport had 1,400 general aviation aircraft operations, an average of 116 per month.