The 1985 All-Ireland Under-21 Hurling Championship final was a hurling match that was played at Walsh Park, Waterford on 25 August 1985 to determine the winners of the 1985 All-Ireland Under-21 Hurling Championship, the 21st 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.