Waterville (Irish: An Coireán) is a housing development near Dublin city, within Fingal, Ireland. The developments were built between 2002 and 2008 as well as between 2013 and 2016 (Brandon Square and Rossan Court) on the edge of the Abbotstown demense, close to Blanchardstown village. The development lies within the townland of Deanestown in the civil parish of Castleknock.