St Kilda West is an inner suburb in Melbourne, Victoria, Australia, 5 km south of Melbourne’s Central Business District, located within the City of Port Phillip local government area. St Kilda West recorded a population of 2,951 at the 2021 census.

The main thoroughfares are Canterbury Road and Beaconsfield Parade. Both are dual carriageways. Park Street runs along the spine of the suburb and is a single carriageway.