Callan is a town and civil parish in County Kilkenny in Ireland. Situated 16 km (10 mi) south of Kilkenny on the N76 road to Clonmel, it is near the border with County Tipperary. It is the second largest town in the county, and had a population of 2,475 at the 2016 census. Callan is the chief town of the barony of the same name.

County Kilkenny is a county in Ireland. It is in the province of Leinster and is part of the Southern Region. It is named after the city of Kilkenny. Kilkenny County Council is the local authority for the county. At the 2022 census the population of the county was 103,685. The county was based on the historic Gaelic kingdom of Ossory (Osraighe), which was coterminous with the Diocese of Ossory.