The 1968 All-Ireland Under-21 Hurling Championship was the fifth staging of the All-Ireland hurling championship for players under the age of twenty-one since its establishment by the Gaelic Athletic Association in 1964.. Tipperary were the defending champions, however, they were defeated in the provincial stage. Cork won the title after defeating Kilkenny by 2-18 to 3-9 in the final.

Leinster Under-21 Hurling Championship

Leinster final

Munster Under-21 Hurling Championship

Munster first round

Munster semi-finals

Munster final

All-Ireland Under-21 Hurling Championship

All-Ireland semi-final

All-Ireland final