Merrylands West is a suburb in western Sydney, New South Wales, Australia.

Merrylands West is located 23 kilometres west of the Sydney central business district in the local government area of the Cumberland City Council.

The eastern part of Merrylands West is known locally as "Hilltop".

There is a retirement community, Cardinal Gilroy Village, situated on 45 Barcom Street, behind the high schools.

The suburb is commercially serviced by a small shopping centre comprising a supermarket and fast food outlets.