King Caw or Cawn (fl. 495–501 AD) was a semi-legendary king of Strathclyde in Scotland.

Very little hard fact is known of him. He flourished in the Hen Ogledd Period of Sub-Roman Britain and ruled from a castle at Alt Clut. Legend holds he fought King Arthur. He came to power in 495 AD by deposing King Tutagual, but only managed to remain in power for six years before being removed from power himself. This was a very turbulent time and coincided with the Anglo-Saxon invasion of England.^[1] Following this he fled to Wales.

Children

He was the father to many children, many of whom were saints. The most well known was Gildas, which possibly accounts for the poor presentation of King Arthur (and also Constantine) in Gildas' writing. His children are reputed to include:

• Hywel
• Ane
• Aneurin
• Saint Caffo
• Ceidio
• Aeddan Foeddog
• Cwyllog
• Dirynig
• Saint Cain
• Saint Eigrad
• Samson of York
• Saint Eigron
• Gwenafwy
• Gallo
• Saint Peirio
• Cewydd
• Maelog
• Meilig
• Gwrddelw
• Gwrhai
• Huail mab caw