| Contents |
| Historical rulers upon whom the title ''King of Wales'' (or a related title) was bestowed |
| Name | Reign | Regional power base | Recorded title or description | Source | Notes on bestowal |
|---|---|---|---|---|---|
| Geraint | ?670-c.710 | Dumnonia | ''King of the Welsh'' (=Britons) (in 710) | Anglo-Saxon Chronicle | may refer only to Britons in Dumnonia |
| Gruffudd ap Cynan | 1136-1137 | Gwynedd (insecurely from 1081) | ''King of Wales'' (in 1137) | Brut y Tywysogion | probably retrospective |
| Owain Gwynedd | 1137-1170 | Gwynedd | Leader of the Britons (in 1146); ''King of Wales'', Prince of the Welsh | Brut y Tywysogion; contemporary charters | |
| Rhys ap Gruffydd | 1171-1197 | Deheubarth (from 1155) | Head of all Wales (in 1197); Prince of the Welsh (in 1184), Prince of Wales | Brut y Tywysogion; contemporary charters |