The District of Kwinana is an electorate of the Western Australia Legislative Assembly.
It is located in the South Metropolitan Region and includes the suburbs of Henderson, Wattleup, Hammond Park, Aubin Grove, Banjup, Naval Base, Hope Valley, Mandogalup, Wandi, Kwinana Beach, Postans, The Spectacles, Anketell, Medina, Orelia, Calista, Kwinana Town Centre, Parmelia, Bertram, Casuarina, Leda, Wellard, Hillman; and parts of Cooloongup, Waikiki and Baldivis.