Rhys ap Gruffydd (disambiguation)

Rhys ap Gruffydd (c.1132–1197) was a Prince of Dehubarth in South Wales.

Rhys ap Gruffydd or Rhys ap Gruffudd or anglicized as Rhys Griffith, a Welsh name born by several historical princes and noblemen may also refer to:


 * Sir Rhys ap Gruffydd (c.1283–1356), South Wales nobleman and soldier
 * Rhys ap Gruffydd (rebel) (1508–1531), nobleman and rebel executed by Henry VIII