Royal Air Force Down Ampney or more simply RAF Down Ampney is a former Royal Air Force station located 1.8 miles (2.9 km) north east of Cricklade, Wiltshire and 3 miles (4.8 km) south west of RAF Fairford, Gloucestershire. The airfield operated during the Second World War from February 1944 until February 1947.

Down Ampney was part of a group of airfields dedicated to air transportation, alongside RAF Broadwell and RAF Blakehill Farm.