Penrhyn Bay (Welsh: Bae Penrhyn "headland bay"[1]) is a small town on the northern coast of Wales, in Conwy county borough, within the parish or community of Llandudno, and part of the ecclesiastical parish of Llanrhos.

It is a prosperous village, with a cluster of local shops, a pub, a parish church and a modern medical centre with doctors' surgery at the foot of the pass over the shoulder of the Little Orme from Llandudno Bay.

It was the home of the Pugh family whose fortunes faded through the high fines imposed for Recusancy and their staunch adherence to the Catholic Church in Wales, even when their tenants and neighbours increasingly conformed to Anglicanism.

In addition to being the Welsh equivalent to Scalan, Penrhyn Hall is also important as the birthplace of Welsh-language Cavalier poet and collector of local oral tradition Gwilym Puw and now serves as both a village pub and restaurant.

However, Penrhyn Bay expanded rapidly in the 20th century to become a desirable suburb of Llandudno, with developments taking place in the 1930s, 1950s and 1960s.