2012 All-Ireland Under-21 Hurling Championship

The 2012 All-Ireland Under-21 Hurling Championship was the 48th staging of the All-Ireland championship since its establishment in 1964. The draw for the 2012 fixtures took place in late 2011. The championship began on 6 June 2012 and ended on 15 September 2012. Galway were the defending champions.

Clare won the All-Ireland final after defeating Kilkenny by 2–17 to 2–11.

Miscellaneous

 * Laois qualify for the Leinster final for the first time since the 1990 championship.
 * Clare win their second ever Munster title.
 * The All-Ireland semi-final meeting between Antrim and Clare is the teams' first meeting in the history of the championship.