The 2005 All-Ireland Under-21 Hurling Championship final was a hurling match that was played at the Gaelic Grounds, Limerick on 18 September 2005 to determine the winners of the 2005 All-Ireland Under-21 Hurling Championship, the 42nd 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.