Fergal mac Máele Dúin was High King of Ireland. Fergal belonged to the Cenél nEógain sept of the northern Uí Néill. He was the son of Máel Dúin mac Máele Fithrich, a King of Ailech, and great-grandson of the high king Áed Uaridnach. He belonged to the Cenél maic Ercae branch of the Cenél nEógain and was King of Ailech from 700 to 722.
- Occupation
- sovereign
- Position held
- High King of Ireland
- Citizenship
- Ireland
- Died
- December 11, 722
