Vaucluse is an eastern suburb of Sydney, in the state of New South Wales, Australia.
Vaucluse is located 8 kilometres (5 mi) north-east of the Sydney central business district, in the local government areas of Waverley Council and the Municipality of Woollahra.
Vaucluse is located on the South Head peninsula, just south of The Gap with Sydney Harbour on the west and the Tasman Sea to the east. The Sydney Harbour side of the suburb commands views across the harbour to the Sydney Harbour Bridge. The adjacent suburbs are Watsons Bay, to the north and Rose Bay and Dover Heights to the south.