1972 All Ireland Under 21 Hurling Championship

The 1972 All-Ireland Under-21 Hurling Championship was the 9th staging of the All-Ireland Under-21 Hurling Championship since its establishment by the Gaelic Athletic Association in 1964.

Cork were the defending champions, however, they were defeated by Clare in the Munster quarter-final.

On 10 September 1972, Galway won the championship following a 2-9 to 1-10 defeat of Dublin in the All-Ireland final. This was their first All-Ireland title in the under-21 grade.