Kinsealy (officially Kinsaley; Irish: Cionn Sáile) is an outer suburb of Dublin in Fingal, County Dublin, Ireland. Kinsaley is also the name of the surrounding electoral division and of a civil parish in the ancient barony of Coolock. Kinsealy is on the northside of the city, about 7 km from the centre city, on the Malahide Road, in the former green belt between the suburbs of Balgriffin, Portmarnock and Malahide.
The Central Statistics Office's 2011 census lists the census town of Kinsaley, in the electoral divisions of Kinsaley and Balgriffin, with a population of 214 people. This should not be confused with the census town of Kinsealy–Drinan, which is a suburb of Swords with a population of 5,814 in the townland of Drinan at the north of the electoral division of Kinsaley. The electoral division of Kinsaley also includes parts of the census towns of Swords, Portmarnock, and Malahide. and had a 2011 population of 8,475 people, up from 5,526 in 2006.