William O'Neill (born 1945) is an Irish retired hurler who played as left corner-back for the Wexford senior team. Born in Kilmore, County Wexford, O'Neill first arrived on the inter-county scene at the age of twenty when he first linked up with the Limerick under-21 team. He made his senior debut during the 1965 championship. O'Neill immediately became a regular member of the team and won one Leinster medal. He was an All-Ireland runner-up on one occasion. At club level O'Neill played with .