Treorchy (Welsh: Treorci) is a village, although it used to be and still has characteristics of a town, in the county borough of Rhondda Cynon Taff, traditional county of Glamorgan, South Wales, lying in the Rhondda Fawr Valley. The town grew around the coal mining industry, but all the local pits have closed.
Treorchy was, for many years, a town that relied on the coal mines such as Abergorki, Tylecoch and the Dare colliery. All of the collieries had closed by the end of the 70s, leaving many to find new work. Treorchy fast became a commuter village, with many people using public transport, or their own transport to leave the area each morning to work in the larger towns and cities that surround it, such as Cardiff and Bridgend. The work in Treorchy, however, is mostly retail.
Treorchy is home to the Royal Male Voice Choir, better known as the Treorchy Male Choir, while attractions in the town include the Parc and Dare Hall. The Parc and Dare hall provides entertainment from new films, to pantomime and theatre. The Parc and Dare work closely with Treorchy Comprehensive on many show's such as "Back To Broadway", the school Eisteddfod and school musicals. The Parc and Dare also hosts the Eisteddfod for Ysgol Gyfun Y Cymmer,
Treorchy hosted the National Eisteddfod in 1928.
Max Boyce recorded a hit album, "Live at Treorchy" in the Treorchy Rugby Club.