Heathcote National Park is a protected national park that is located in the southern area of Sydney, New South Wales in eastern Australia, and is situated on Dharawal country. The 2,679-hectare (6,620-acre) national park is situated approximately 35 kilometres (22 mi) southwest of the Sydney central business district, west of the Illawarra railway line, the Princes Highway and Motorway, and the suburbs of Heathcote and Waterfall.

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.