Rose Bay is an affluent harbourside, eastern suburb of Sydney, in the state of New South Wales, Australia.
Rose Bay is located seven kilometres east of the Sydney central business district, in the local government areas of Waverley Municipal Council (east of Old South Head Road) and Woollahra Council (on its western side towards the bay).
Rose Bay has views of both the Sydney Opera House and the Sydney Harbour Bridge together. Lyne Park abuts Sydney Harbour on its west. Shark Island is located in Sydney Harbour, just north of Rose Bay.