Owain of Strathclyde
There were several kings of Strathclyde, Cumbria or Alt Clut whose names are sometimes given as Owain, Owen, Eógan and so on.
- Eugein I of [Alt Clut], king of Alt Clut who defeated Domnall Brecc at Strathcarron in 642
- Eugein II of Alt Clut, king of Alt Clut
- Owain ap Dyfnwal (fl. 934), King of the Cumbrians
- Owain ap Dyfnwal (died 1015), King of the Cumbrians
- Owain Foel, King of the Cumbrians