The 1955 Wexford Senior Hurling Championship was the 45th completed staging of the Wexford Senior Hurling Championship since its establishment by the Wexford County Board in 1889.
St Aidan's Enniscorthy entered the championship as the defending champions.
The final was played on 6 November 1955 at O'Kennedy Park in New Ross, between Rathnure and St Aidan's Enniscorthy. Rathnure won the match by 2âÂÂ09 to 2âÂÂ05 to claim their third championship title overall and a first title in five years.