Shankill is an outlying suburb of Dublin, Ireland, on the southeast of County Dublin, close to the border with County Wicklow. It is in the local government area of Dún Laoghaire–Rathdown and had a population of 14,257 as of the 2016 census. It runs from the coast, between Loughlinstown and Bray, inland towards the foothills of the Dublin Mountains. Shankill borders Rathmichael, as well as Loughlinstown, Killiney, Ballybrack and Bray in County Wicklow. It is part of the civil parish of Rathmichael and contains the formerly separate district of Shanganagh, and in its southern parts, the locality of Crinken.

Dún Laoghaire–Rathdown is a county in Ireland. It is in the province of Leinster and the Eastern and Midland Region. It is one of three successor counties to County Dublin, which was disestablished in 1994. It is named after the former borough of Dún Laoghaire and the barony of Rathdown. Dún Laoghaire–Rathdown County Council is the local authority for the county. The population of the county was 233,860 at the time of the 2022 census.