Corduff (Irish: An Chorr Dhubh) is a northwestern suburb of Dublin, in Fingal, Ireland. It is a part of the wider Blanchardstown area and is part of the Dublin 15 postal district.As of 2016, the electoral division of Blanchardstown-Corduff had a population of 3,871. Corduff is also a townland in the civil parish of Castleknock, in the historic County Dublin.