Fowlmere Airfield (ICAO: EGMA) is a privately owned airfield located 4.2 miles (6.8 km) northeast of Royston, Hertfordshire and 8.8 miles (14.2 km) southwest of Cambridge. It was previously a Royal Air Force satellite station, RAF Fowlmere.

Flying at Fowlmere Airfield originated during the First World War. In 1918 (the last year of the war), the airfield was used by three Royal Air Force (RAF) squadrons, No. 124 Squadron RAF, No. 125 Squadron RAF, and No. 126 Squadron RAF.

Flying cadets of the Air Service, United States Army were trained at Fowlmere by RAF instructors, prior to thei cadets being deployed to the Western Front. By 1923, the deserted hangars and assorted buildings had been demolished.

During the Second World War, Fowlmere was a satellite for RAF Fighter Command at nearby RAF Duxford and was used by 19 Squadron with Supermarine Spitfires along with:

When the airfield was turned over to the USAAF, Fowlmere was expanded to meet the requirements of a complete fighter group. The airfield was assigned USAAF designation Station 378 It was allocated to the United States Army Air Forces Eighth Air Force fighter command.

USAAF Station Units assigned to RAF Fowlmere were:

The 339th Fighter Group arrived at Fowlmere from Rice AAF, California on 4 April 1944. The group was under the command of the 66th Fighter Wing of the VIII Fighter Command. Aircraft of the group were identified by a red/white chequerboard pattern.

With the departure of the Americans following the end of the war, Fowlmere was used by No. 11 Group RAF RAF Fighter Command until January 1946. It was then closed and placed into care and maintenance status, before being sold back to local farmers in 1957. The airfield's concreted areas and buildings of were ground into aggregate and sold for use in local construction projects.^{[citation needed]}