Cranbourne West is a suburb in Melbourne, Victoria, Australia, 40 km south-east of Melbourne's central business district. Its local government area is the City of Casey. At the 2011 Census, Cranbourne West had a population of 8,743.
Cranbourne West has developed since the 1990s, and in 2006 had a new shopping centre opened called 'The Sandhurst Centre', on the corner of Duff Street and Monahans Road.
The Year 7-12 private Catholic School, St Peters College, is situated on Sladen Street in the far south of the suburb.
The Cranbourne West Development Plan was released in 2008 by the City of Casey and includes a large parcel of land bounded by Thompson Road to the North, Evans Road to the East, Western Port Highway to the West, and the proposed Ballarto Road and the Urban Growth Boundary to the south. When developed, the new development will have a large industrial area, housing, a network of parks and pathways, a primary school, and a secondary college. Low-density housing will be provided for at the far south of the parcel just north of the Urban Growth Boundary.