The 1982 All-Ireland Under-21 Hurling Championship was the 19th staging of the All-Ireland Under-21 Hurling Championship since its establishment by the Gaelic Athletic Association in 1964. The championship began on 23 April 1982 and ended on 12 September 1982.
Tipperary entered the championship as the defending champions, however, they were beaten by Limerick in the Munster semi-final.
On 12 September 1982, Cork won the championship following a 0-12 to 0-11 defeat of Galway in the All-Ireland final. This was their eighth All-Ireland title overall and their first title since 1976.
Cork's Tony O'Sullivan was the championship's top scorer with 3-22.
Quarter-finals
Semi-finals
Final
First round
Semi-final
Final
Final
Semi-finals
Final