Báetán mac Muirchertaig (died 572), also Baetán Bríge, was an Irish king who is included in some lists as a High King of Ireland. He was the son of Muirchertach mac Muiredaig (died 534), also considered a high king. He was a member of the Cenél nEógain branch of the northern Uí Néill. He ruled in Ailech from 566 to 572.