The 1976 All-Ireland Under-21 Hurling Championship was the 13th staging of the All-Ireland Under-21 Hurling Championship since its establishment by the Gaelic Athletic Association in 1964.
Kilkenny were the defending champions.
On 19 September 1976, Cork won the championship following a 2-17 to 1-8 defeat of Kilkenny in the All-Ireland final.
[1] This was their 7th All-Ireland title in the under-21 grade and their first in three championship seasons.
This Hurling competition-related article is a stub.