Blackwall is a suburb of the Central Coast region of New South Wales, Australia, south of Woy Woy on Brisbane Water, 81 kilometres (50 mi) north of the Sydney CBD. It is part of the City of Gosford local government area.
The suburb includes a boat ramp and a bushland recreation reserve, Kitchener Reserve, offering walk trails and views from Blackwall Mountain. The section of the suburb east of Kitchener Park is locally known as Orange Grove.