Kogarah Bay is a suburb in southern Sydney, in the state of New South Wales, Australia 16 kilometres south of the Sydney central business district. It is part of the St George area. Kogarah Bay is in the local government area of the Georges River Council.
Kogarah Bay takes its name from the small bay on the northern shore of the Georges River. The suburb is surrounded by the suburbs of Carss Park, Blakehurst, Carlton, Beverley Park and Sans Souci. A small group of shops is located on the intersection of Park Road and the Princes Highway.