The Douglas F3D Skyknight is an American fighter aircraft introduced into service with the United States Navy in 1951.
Skyknight or Sky Knight may also refer to: Cessna 320, a turbocharged version of the Cessna 310 twin-engine monoplane, marketed as the Skyknight Sky Knight Helicopter Program, an airborne law enforcement program in Lakewood, California Skyknight (missile), a short-range surface-to-air missile