The River Clodiagh (Irish: An Chlóideach) is a small river which rises in Lough Coumduala in the Comeragh Mountains in north County Waterford.

[1] (It should not be confused with the River Clodiagh in County Kilkenny.)

[2] The river is fed by a number of smaller tributaries including Hunts stream and Aughtnawilliam stream.

Two canoeists, on a sit-on kayak, drowned after being stuck in a weir at Portlaw, in April 2010.

This article related to a river in Ireland is a stub.