Philip O'Dwyer (1934 – 27 September 2020), commonly known as Billy Dwyer, was an Irish hurler whose career included two All-Ireland Championship victories with the Kilkenny senior hurling team. Born in Kilkenny, Dwyer first played competitive hurling during his schooling at St. Patrick's De La Salle. He arrived on the inter-county scene at the age of twenty-two when he first linked up with the Kilkenny senior team. He made his senior debut during the 1956 Walsh Cup. Dwyer went on to enjoy a successful career, winning two All-Ireland medals, three Leinster medals and one National Hurling League medal. He was an All-Ireland runner-up on one occasion.