The 1931 All-Ireland Minor Hurling Championship was the fourth staging of the All-Ireland Minor Hurling Championship since its establishment by the Gaelic Athletic Association in 1928.
Tipperary entered the championship as the defending champions, however, they were beaten by Kilkenny in the All-Ireland semi-final.
On 27 September 1931 Kilkenny won the championship following a 4-7 to 2-3 defeat of Galway in the All-Ireland final. This was their first All-Ireland title.
Semi-finals
Final