The 1940 All-Ireland Senior Hurling Championship final was a hurling match played at Croke Park on 1 September 1940 to determine the winners of the 1940 All-Ireland Senior Hurling Championship, a tournament organised by the Gaelic Athletic Association for the champions of the three hurling provinces of Ireland. It was the 53rd All-Ireland final. The match was contested by Kilkenny of Leinster and Limerick of Munster, with Limerick winning by 3–7 to 1–7. Kilkenny's All-Ireland defeat was their tenth in a final. It was the first of three defeats in All-Ireland final before their next victory.