Celbridge is a town and townland on the River Liffey in County Kildare, Ireland. It is 23 km (14 mi) west of Dublin. Both a local centre and a commuter town within the Greater Dublin Area, it is located at the intersection of the R403 and R405 regional roads. As of the 2022 census, Celbridge was the third largest town in County Kildare by population, with 20,601 residents.

The River Liffey is a river in eastern Ireland that ultimately flows through the centre of Dublin to its mouth within Dublin Bay. Its major tributaries include the River Dodder, the River Poddle and the River Camac. The river supplies much of Dublin's water and supports a range of recreational activities.