Owain Ap Dyfnwal was a Northern British King who fought alongside Anlaf Guthfrithson and Constantine of Alba at the battle of Brunanburh in 937 AD.

He was king of Strathclyde, a kingdom of indigenous Britons, who’s Kingdom was formed during the post Roman period when the ethnic groups of the British Isles fought to create independent countries during a period of political instability and foreign invasion.