The Division of Prospect was an Australian Electoral Division in the state of New South Wales from 1969 to 2010. It was located in the western suburbs of Sydney, and included the suburbs of Fairfield, Smithfield, Kemps Creek, St Clair, Horsley Park and those parts of the suburb of Prospect south of the Great Western Highway which were the least populous parts of the suburb. The Prospect Reservoir was located within the Division.