The 1972 All-Ireland Under-21 Hurling Championship final was a hurling match that was played to determine the winners of the 1972 All-Ireland Under-21 Hurling Championship, the 9th season of the All-Ireland Under-21 Hurling Championship, a tournament organised by the Gaelic Athletic Association for the champion teams of the four provinces of Ireland. The final was contested by Galway of Connacht and Dublin of Leinster, with Galway winning by 2-9 to 1-10. Galway's All-Ireland victory was their first. They became the fourth team since its inception to win the championship.