Forty Hall is a manor house of the 1620s in Forty Hill in Enfield, north London. The house, a Grade I listed building, is today used as a museum by the London Borough of Enfield. Within the grounds is the site of the former Tudor Elsyng Palace.

Forty Hill is a largely residential suburb in the north of the London Borough of Enfield, England. To the north is Bulls Cross, to the south Enfield Town, to the west Clay Hill, and to the east Enfield Highway. Prior to 1965 it was in the historic county of Middlesex.