Royal Air Force Bassingbourn or more simply RAF Bassingbourn is a former Royal Air Force station located in Cambridgeshire approximately 3 mi (5 km) north of Royston, Hertfordshire and 11 mi (18 km) south west of Cambridge, Cambridgeshire, England.

During the Second World War it served first as an RAF station and then as a bomber airfield of the Eighth Air Force, of the United States Army Air Forces (USAAF). It remains the home of the Tower Museum Bassingbourn.