John P. O'Connor (1928 – 31 October 2010), known as Johnny O'Connor, was an Irish hurler who played as a midfielder for the Waterford senior team. Born in Abbeyside, County Waterford, O'Connor first played competitive hurling during his schooling at Dungarvan CBS. He arrived on the inter-county scene when he first linked up with the Waterford minor team. He made his senior debut during the 1946–47 league. O'Connor subsequently became a regular member of the starting fifteen and won one All-Ireland medal and two Munster medals. He was an All-Ireland runner-up on one occasion.