Royal Air Force Westhampnett or more simply RAF Westhampnett is a former Royal Air Force satellite station, located in the village of Westhampnett near Chichester, in the English County of West Sussex.

It was built as an emergency landing airfield for fighter aircraft, as a satellite station to RAF Tangmere.

Built on land belonging to the Goodwood Estate, the then landowner, the Duke of Richmond, Frederick Gordon-Lennox retained the Title Deed to the land.

Upon its closure by the RAF, Westhampnett airfield subsequently became the Goodwood Motor Racing Circuit and Chichester/Goodwood Airport.