Óengus mac Mugróin (died 803) was a king of the Uí Failge, a Laigin people of County Offaly. He was the son of Mugrón mac Flainn (died 782), a previous king.
Cináed mac Mugróin (died 829) was a king of the Uí Failge, a Laigin people of County Offaly, Ireland. He was the son of Mugrón mac Flainn (died 782), a previous king.