Rockingham is an electoral district of the Legislative Assembly in the Australian state of Western Australia.

The electorate is a compact, urban district centred on the coastal community of Rockingham, a satellite suburb to the south-west of Perth.

The district also takes in the neighbouring suburbs of Peron, Shoalwater, Safety Bay, as well as parts of Cooloongup, East Rockingham and Waikiki.

The first, Mike Barnett, served as Speaker of the Legislative Assembly for most of the Burke and Dowding governments.

Four years later, McGowan led Labor to the largest majority government in the state's history.