"Llangollen Market" is a song from early 19th century Wales. It is known to have been performed at an eisteddfod at Llangollen in 1858. The text of the song survives in a manuscript held by the National Museum of Wales, which came into the possession of singer Mary Davies, a co-founder of the . The song tells the tale of a young man from the Llangollen area going off to war and leaving behind his broken-hearted girlfriend. Originally written in English, the song has been translated into Welsh and recorded by several artists such as Siân James, Siobhan Owen, Calennig and Siwsann George.