Heathcote is a suburb of Sydney in the state of New South Wales, Australia. The suburb is located 36 km south of the Sydney central business district in the Sutherland Shire of Southern Sydney. Heathcote is bordered by Engadine to the north and Waterfall to the south. It is bounded by The Royal National Park to the east, and Heathcote National Park to the west. Heathcote is separated into two sections by a railway line.