Royal Air Force Turnhouse, or more simply RAF Turnhouse, is a former Royal Air Force Sector Station located in Edinburgh, Scotland. It is now part of Edinburgh Airport.
A landing ground was first established at Turnhouse in 1915. The airfield was greatly expanded in the 1930s, with three concrete runways being laid in 1939/40. RAF Turnhouse closed in 1996 and its remaining facilities were acquired by Edinburgh Airport. The following units were located at Turnhouse at various times:
The site is now used by Edinburgh Airport.