Tuamgraney is a village in eastern County Clare in the west of Ireland and a civil parish by the same name. Situated a kilometre from the River Graney which flows into Lough Derg, it is an ancient settlement, noted for St Cronán's Church, said to be the oldest church in constant use in Ireland

St. Cronan's Church is a 10th-century Church of Ireland church in Tuamgraney, County Clare, Ireland. It is the oldest church in continuous use in Ireland. The Tuamgraney parish operates as a unit with the Mountshannon parish in the Killaloe Union of parishes in the Diocese of Tuam, Limerick and Killaloe.