Glyndŵr, also spelled Glyndwr, may refer to:
Owain Glyndŵr – Medieval Welsh prince and leader Glyndŵr rebellion – 15th century Welsh uprising Glyndŵr (district) – District of Wales (1974–1996) Montgomeryshire and Glyndŵr (UK Parliament constituency) – UK Parliament constituency in Wales (2024–) Glyndŵr University, now Wrexham University, university in Wales Glyndŵr National Park, proposed national park in north-east Wales Glyndwr Hackett, Welsh Anglican priest Glyndwr Michael, true identity of "Major William Martin" in the British World War II deception Operation Mincemeat Glyndwr Renowden, British military chaplain Glyndwr Williams, British historian
See also Glendower (disambiguation)