Beaconsfield is a suburb of Perth, Western Australia, located within the City of Fremantle. It was named after a property of the same name in the area in the 1880s; the name was officially adopted from the post office on 1 August 1894. The name's origin is unknown, but it probably comes from the town in England or the Earl of Beaconsfield, Benjamin Disraeli, a former Conservative Prime Minister of the United Kingdom.

The City of Fremantle is a local government area in the south of Perth, Western Australia. The City covers an area of 19.0 square kilometres (7.3 sq mi), and lies about 19 kilometres (12 mi) southwest of the Perth central business district.