Terryglass (Irish: Tír Dhá Ghlas, meaning "land of the two streams") is a village in County Tipperary, Ireland. The village is located on the R493 regional road on the north-eastern shore of Lough Derg near where the River Shannon enters the Lough. It is a civil parish in the historical barony of Ormond Lower. It is also an Ecclesiastical parish in the Roman Catholic Diocese of Killaloe,.