South Mill is the name of a number of mills
Windmills United Kingdom South Mill, Barney, a windmill in Norfolk South Mill, Bishop Burton, a windmill in the East Riding of Yorkshire South Mill, Brancaster, a windmill in Norfolk South Mill, Burnham on Crouch, a windmill in Essex South Mill, Caister, a windmill in Norfolk South Mill, Clavering, a windmill in Essex South Mill, Devizes Castle, Devizes, a windmill in Wiltshire South Mill, Easton, a windmill in Dorset South Mill, Instow, a windmill in Devon South Mill, Ludham Bridge, a trestle mill in Norfolk South Mill, Ludham Bridge, a tower mill in Norfolk South Mill, Middleton, a windmill in Norfolk South Mill, Pulham St Mary, a windmill in Norfolk South Mill, Reedham, a drainage mill in Norfolk South Mill, Ringstead, a windmill in Norfolk South Mill, Runham, a drainage mill in Norfolk South Mill, Tengdrin, a windmill in Essex South Mill, Wethersfield, a windmill in Essex South Mill, Whissonsett a windmill in Norfolk South Mill, Wiveton, a windmill in Norfolk Navarino South Mill, Worthing, a windmill in West Sussex
United States South Mill, Boston, a windmill in Massachusetts South Mill, Dennis, a windmill in Massachusetts