|Area:||3.6 km (1.4 sq mi)|
|Location:||20 km (12 mi) from Melbourne|
|Local Government Area:||City of Brimbank|
Delahey is a suburb in Melbourne, Victoria, Australia, 20 km north-west from Melbourne's central business district. Its Local Government Area is the City of Brimbank. At the 2006 Census, Delahey had a population of 8721.
Delahey originally contained several farming properties. The Government acquired the land in the mid- to late-1980s for resubdivision as mostly residential properties. The suburb is named after William Delahey, who whilst still a baby had arrived from Ireland with siblings and parents Henry Delahey and Mary in June 1840. Mr. William Delahey had been connected with the Keilor Shire Council for eighteen years and was elected as president during the year 1882/83. The suburb's name was formally adopted in 1994.
Delahey is the home of the transmitter for the major Melbourne station of the Australian Broadcasting Corporation, 774 ABC Melbourne.