Llywelyn ap Gruffydd may refer to:
- Llywelyn ap Gruffydd (c. 1223 – 1282), more commonly known as Llywelyn ap Gruffudd, also known as Llywelyn Ein Llyw Olaf (Llywelyn, Our Last Leader), Llywelyn the Last, Prince of Wales 1258–1282
- Llywelyn ap Gruffydd Fychan (c. 1341 – 1401), wealthy Carmarthenshire landowner executed by Henry IV of England in punishment for his support of Owain Glyndwr's Welsh rebellion
This disambiguation page lists articles about people with the same name.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.