Mosman Park is a western suburb of Perth, Western Australia on the north bank of the Swan River in the local government area of the Town of Mosman Park. It was historically known as Buckland Hill, then Cottesloe Beach and again Buckland Hill. From 1937 it was named Mosman Park, derived from Mosman in Sydney, the birthplace of Richard Yeldon, a member of the Buckland Hill Road Board.