Cloughjordan, officially Cloghjordan ( /klɒkˈdʒɔrdən/ klok-JOR-dən, Irish: Cloch Shiurdáin, meaning "Siurdán's stone"), is a town in North Tipperary in Ireland. It is in the barony of Ormond Lower, and it is also a parish in the Roman Catholic Diocese of Killaloe.