Rhodri Mawr
| Rhodri Mawr ap Merfyn | |
|---|---|
| King of the Britons | |
A fanciful illustration of Rhodri Mawr from the Historie of Cambria (1584) | |
| King of Gwynedd | |
| Reign | 844-878 |
| Predecessor | Merfyn Frych |
| Successor | Anarawd ap Rhodri |
| King of the Isle of Man | |
| Reign | 844-878 |
| Predecessor | Merfyn Frych |
| Successor | Anarawd ap Rhodri |
| Died | 878 Anglesey |
| Issue | Anarawd ap Rhodri Cadell ap Rhodri Meurig ap Rhodri Merfyn ap Rhodri Tudwal ap Rhodri Gwriad ap Rhodri Gwyddelig ap Rhodri |
| House | Second Dynasty of Gwynedd |
| Father | Merfyn Frych |
| Mother | Nest ferch Cadell |
Rhodri Mawr ap Merfyn (Welsh pronunciation: [ˈr̥ɔdri mau̯r ap ˈmɛrvɨ̞n]) was a king of Gwynedd in the middle of the ninth century.