Charleville is a town in County Cork, Ireland. It lies in the Golden Vale, on a tributary of the River Maigue, near the border with County Limerick. Charleville is on the N20 road and is the second-largest town between Limerick and Cork, the largest being Mallow. The Roman Catholic parish of Charleville is within the Diocese of Cloyne. Significant industries in the town include Kerry Co-op and the construction and services sectors.