 Cerball mac Dúnlainge

Cerball mac Dúnlainge (patronymic sometimes spelled Dúngaile, ) (died 888) was king of Ossory in south-east Ireland.The kingdom of Ossory ("Osraige") occupied roughly the area of modern County Kilkenny and western County Laois and lay between the larger provincial kingdoms of Munster and Leinster.