Gruffudd ap Llywelyn ab Iorwerth
| Gruffudd ap Llywelyn | |
|---|---|
Matthew Paris' depiction of Gruffudd's fall from the Tower of London | |
| Prince of Gwynedd | |
| Reign | 11 April 1240 – 1 March 1244 |
| Contender | Dafydd ap Llywelyn |
| Died | 1 March 1244 Tower of London, England |
| Cause of death | Falling (accident) |
| Burial | |
| Spouse | Senana ferch Caradog |
| Issue | |
| House | Second Dynasty of Gwynedd |
| Father | Llywelyn ab Iorwerth |
| Mother | Tangwystl |
Gruffudd ap Llywelyn ab Iorwerth (d. 1 March 1244) was a Welsh prince, and the first-born son of Llywelyn ab Iorwerth (Llywelyn the Great).