Clayton South is a suburb in Melbourne, Victoria,
Australia, 21 km south-east from Melbourne's
central business district. The local government
area for Clayton South is the City of Kingston. At
the 2011 Census, Clayton South had a population
of 11,625.

Clayton South sometimes goes by the name
Westall, due to the name of the main road and the
railway station that serve the area. Westall is not,
however, an official name, and all post addressed
to the area is addressed to Clayton South.