Dayton is a suburb of Perth, the capital city of Western Australia, located in the City of Swan. It was gazetted in May 2011, and was named after Walter Warner Day, a pioneer of both the cattle and wine-growing industries in the City of Swan. The suburb is part of the City of Swan's Urban Growth Corridor and is bounded by Lord Street, Harrow Street, Malvern Street, Reid Highway and the Dampier to Bunbury Natural Gas Pipeline. The suburb is located in the Swan Valley Ward of the City of Swan.