| Type: | Under-21 |
| Year: | 2012 |
| Dates: | 6 June - 15 September 2012 |
| Teams: | 17 |
| Munster: | Clare |
| Leinster: | Kilkenny |
| Ulster: | Antrim |
| Matches: | 16 |
| Team: | Clare |
| Titles: | 2nd |
| Captain: | Conor McGrath |
| Manager: | Gerry O'Connor & Donal Moloney |
| Team2: | Kilkenny |
| Captain2: | Cillian Buckley |
| Manager2: | Richie Mulrooney |
| Totalgoals: | 48 (3.00 per game) |
| Totalpoints: | 476 (29.75 per game) |
| Topscorer: | Cathal O'Connell (1-26) |
| Previous: | 2011 |
| Next: | 2013 |
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.
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| Rank | Player | County | Tally | Total | Matches | Average | |
|---|---|---|---|---|---|---|---|
| 1 | Cathal O'Connell | Clare | 1-26 | 29 | 4 | 7.25 | |
| 2 | John O'Dwyer | Tipperary | 1-25 | 28 | 3 | 9.33 | |
| 3 | Kevin Kelly | Kilkenny | 0-27 | 27 | 4 | 6.75 | |
| 4 | Ger Aylward | Kilkenny | 4-12 | 24 | 4 | 6.00 | |
| 5 | Stephen Maher | Laois | 0-23 | 23 | 3 | 7.66 | |
| 6 | John Power | Kilkenny | 6-03 | 21 | 4 | 5.25 | |
| 7 | Shane Farren | Derry | 3-11 | 20 | 2 | 10.00 | |
| 8 | Conor McCann | Antrim | 2-09 | 15 | 2 | 7.50 | |
| 9 | Conor McGrath | Clare | 3-05 | 14 | 4 | 3.50 | |
| 10 | Walter Walsh | Kilkenny | 2-07 | 13 | 4 | 3.25 |
| Rank | Player | County | Tally | Total | Opposition |
|---|---|---|---|---|---|
| 1 | Shane Farren | Derry | 2-07 | 13 | Down |
| 2 | Ger Aylward | Kilkenny | 2-05 | 11 | Laois |
| Shane Dowling | Limerick | 1-08 | 11 | Tipperary | |
| 4 | Cathal O'Connell | Clare | 0-10 | 10 | Waterford |
| 5 | Cathal O'Connell | Clare | 1-06 | 9 | Kilkenny |
| Jamie Coughlan | Cork | 0-09 | 9 | Tipperary | |
| John O'Dwyer | Tipperary | 0-09 | 9 | Limerick | |
| John O'Dwyer | Tipperary | 0-09 | 9 | Cork | |
| Kevin Kelly | Kilkenny | 0-09 | 9 | Wexford | |
| 10 | Lorcan McMullan | Down | 2-02 | 8 | Derry |
| Conor McCann | Antrim | 1-05 | 8 | Armagh | |
| Gary Moore | Wexford | 0-08 | 8 | Offaly | |
| Stephen Maher | Laois | 0-08 | 8 | Dublin | |
| Stephen Maher | Laois | 0-08 | 8 | Carlow | |
| Niall Burke | Galway | 0-08 | 8 | Kilkenny |