Athleague is a village and a parish in the Diocese of Elphin on the River Suck in the west of Ireland in County Roscommon, near the town of Roscommon. The village is in a townland and civil parish of the same name. As of the 2022 census, the village population was 296. Its church was founded sometime around 500 by Maenucan Atha Liacc. The name is derived from Áth Liag, indicating its use as a crossing point between the kingdoms of the Uí Maine and Uí Briúin.