Carrick-on-Suir is a town in South Tipperary in Ireland. As the name – meaning "the rock of the Suir" – suggests, the town is situated on the River Suir. The CSO 2006 Census of the town gives the population as 5,906 (including suburbs or environs) and shows that it has grown by 5.7% since 2002. It is in the historical barony of Iffa and Offa East.
Carrick-on-Suir is situated in the south-eastern corner of County Tipperary, 13 miles east of Clonmel, and 17 miles northwest of Waterford. The town lies over three county lines, namely Tipperary, Waterford and Kilkenny. which marks the Tipperary-Waterford border. The main portion of Carrick-on-Suir north of the river and lying in Tipperary is known locally as Carrick Mór (Big Rock), though this is rarely used.