Clayton South is a suburb in Melbourne, Victoria, Australia, 20 km south-east of Melbourne’s Central Business District, located within the City of Kingston local government area. Clayton South recorded a population of 13,381 at the 2021 census.

Westall Road runs north to south through Westall. There is a large bridge over the railway line. Several bus routes pass through the suburb and drop passengers off at the shops near the Westall railway station.