The Cork Premier Senior Hurling Championship (known for sponsorship reasons as the Co-Op Superstores Cork Premier Senior Hurling Championship and abbreviated to the Cork PSHC) is an annual club hurling competition organised by the Cork County Board of the Gaelic Athletic Association and contested by the top-ranking senior clubs and amalgamated teams in the county of Cork in Ireland, deciding the competition winners through a group and knockout format. It is the most prestigious competition in Cork hurling.