Straffan is a village in County Kildare, Ireland, situated on the banks of the River Liffey, 25 km upstream of the Irish capital Dublin. As of the 2016 census, the village had a population of 853, a nearly two-fold increase since the 2006 census.

County Kildare is a county in Ireland. It is in the province of Leinster and is part of the Eastern and Midland Region. It is named after the town of Kildare. Kildare County Council is the local authority for the county, which had a population of 246,977 at the 2022 census.