Bentley Priory is an eighteenth to nineteenth century stately home and deer park in Stanmore on the northern edge of the Greater London area in the London Borough of Harrow. It was originally a medieval priory or cell of Augustinian Canons in Harrow Weald, then in Middlesex. There are no remains of the original priory, but it probably stood near Priory House, off Clamp Hill. In the Second World War, Bentley Priory was the headquarters of RAF Fighter Command, and it remained in RAF hands in various roles until 2008.