List of Famous people named Congalach

Conghalach Cnoghbha was High King of Ireland, according to the lists in the Annals of the Four Masters, from around 944 to 956. Congalach is one of the twelve "kings of Ireland" listed in the hand of the original scribe of the Annals of Ulster.

Congalach mac Conaing was a King of Brega from the Uí Chonaing sept of Cnogba (Knowth) of the Síl nÁedo Sláine branch of the southern Ui Neill. He was the son of Conaing mac Amalgado, a previous king.

Congalach mac Conaing Cuirre was a King of Brega from the Uí Chonaing sept of the Síl nÁedo Sláine branch of the southern Uí Néill. He was the son of Conaing Cuirre mac Congaile, a previous king of Brega. The territory of Brega that he ruled was called Cnogba (Knowth) or North Brega which he ruled from 662 to 696. He was king of all Brega from 695 to 696.