Crawshay Bailey's Ironworks was a prominent iron manufacturing facility located in Merthyr Tydfil, Wales. Established in the early 19th century, it played a significant role in the industrial revolution, producing high-quality iron products that contributed to the growth of the iron and coal industries in the region. The ironworks was founded by Crawshay Bailey, a key figure in the Welsh iron industry. Under his leadership, the facility became one of the largest iron producers in Britain, employing many workers and driving economic development in South Wales. The ironworks operated until the late 19th century, reflecting the changing dynamics of industrial production.