Fairchild Air Force Base (AFB) (IATA: SKA, ICAO: KSKA, FAA LID: SKA) is a United States Air Force base, located in the northwest United States in eastern Washington, approximately twelve miles (20 km) southwest of Spokane.

The host unit at Fairchild is the 92nd Air Refueling Wing (92 ARW) assigned to the Air Mobility Command's Eighteenth Air Force. The 92 ARW is responsible for providing air refueling, as well as passenger and cargo airlift and aero-medical evacuation missions supporting U.S. and coalition conventional operations as well as U.S. Strategic Command strategic deterrence missions.

Fairchild AFB was established 82 years ago in 1942 as the Spokane Army Air Depot. and is named in honor of General Muir S. Fairchild (1894–1950); a World War I aviator from the state, he was the Vice Chief of Staff of the Air Force at the time of his death.

During the Cold War, Fairchild was a Strategic Air Command (SAC) base for 45 years (1947–1992), with bombers and tankers, as well as missiles for a brief period (1960–1965).

As of 2018, the 92d Air Refueling Wing was commanded by Colonel Derek Salmi. Its Command Chief Master Sergeant was Chief Master Sergeant Lee Mills.