St Kilda West is a suburb of Melbourne, Victoria, Australia, 5 km south of Melbourne's Central Business District. Its local government area is the City of Port Phillip. At the 2011 Census, St Kilda West had a population of 2,845.
It is bounded in the west by Port Phillip Bay, in the north by Fraser Street, in the east by the former St Kilda railway line (now tram route 96) and in the south by a line generally along West Beach Road, a block north of Fitzroy Street.
It is a primarily residential area characterised by a mix of medium density terrace housing and flats, dating from the turn of the century to modern hi-rise apartments along the foreshore and closer to near Albert Park. The suburb's community and commercial facilities (including schools and shops) are located in nearby suburbs.