An Cosnmhaidh Ua Dubhda

An Cosnmhaidh Ua Dubhda (died 1162) was the king of Ui Fiachrach Muaidhe.

His wife, Dubh Essa Bean Uí Dubhda, died in 1190.

Annalistic reference

 * 1162. Cosnamhaigh Ua Dubhda, lord of Ui-Amhalghadha, was slain by his own tribe.