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.[1]
Clare won the All-Ireland final after defeating Kilkenny by 2–17 to 2–11.
C Corvan (0-6, 0-5 frees), S Colton (1-1), D Magee (1-1), T Duffy (1-0), S Gaffney (1-0), Michael Lennon (0-2), M Toal (0-2), C McKee (0-1), A Mackle (0-1).
C McCann (1-5, four frees), S Smith (0-3), S McAfee (0-2), M Devlin (0-2), M Donnelly (0-1), J McCouaig (0-1); A McKeown (0-1), K McKernan (0-1), J Black (0-1); N Elliott (0-1.
C O'Connell (0-7), C McGrath (2-0), N Arthur (1-2), T Kelly (0-4), C McInerney (1-0), S Morey (0-2), P Collins (0-2), A Cunningham (0-2), S Golden (0-1), P Duggan (0-1), P O'Connor (0-1), C Malone (0-1), D O'Halloran (0-1).
C O’Connell 1-6 (0-4f), C McGrath 1-0, C McInerney 0-3 (0-1f), T Kelly 0-2 (0-1f), S Morey 0-1, C Galvin 0-1, P O’Connor 0-1, P Collins 0-1, S Golden 0-1.