The River Cummeragh () is a river in County Kerry, Ireland.
The river rises in the Dunkerron Mountains on the Iveragh Peninsula. It meanders in a generally south-westerly direction, flowing into the north-eastern side of Lough Currane. The Kerry Way crosses the river at Cahersavane Bridge. There is a drop over its length from Lough Derriana at to Lough Currane at . The lakes of the river basin are known for their fishing.
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