Saint Cynddylan is a Welsh saint known for his association with the early Christian church in Wales. He is often celebrated for his piety and dedication to spreading Christianity in the region. His feast day is observed on October 8, and he is recognized as one of the lesser-known saints in the Welsh tradition. Cynddylan is also linked to the Cynddylan's Church in Shropshire, England, which is named in his honor. His life and works are part of the rich tapestry of Welsh history, reflecting the influence of early saints in the development of Christianity in Britain.