Belchalwell is a small village in the civil parish of Okeford Fitzpaine in the Blackmore Vale, North Dorset, England. It lies 2.5 miles (4.0 km) south of Sturminster Newton and 6 miles (9.7 km) northwest of Blandford Forum. It is sited on greensand beneath the north slopes of Bell Hill, part of the Dorset Downs.