1940 All-Ireland Senior Hurling Championship

The 1940 All-Ireland Senior Hurling Championship was the 54th staging of the All-Ireland Senior Hurling Championship, the Gaelic Athletic Association's premier inter-county hurling tournament. The championship ended on 1 September 1940.

The championship was won by Limerick who secured the title following a 3-7 to 1-7 defeat of Kilkenny in the All-Ireland final. This was their 6th All-Ireland title, their first in four championship seasons.

Kilkenny were the defending champions.

Overview
A total of thirteen teams contested the championship, including all of the teams from the 1939 championship.

Leinster Senior Hurling Championship
First round

Quarter-finals

Semi-finals

Final

Munster Senior Hurling Championship
Quarter-final

Semi-finals

Final

All-Ireland Senior Hurling Championship
Semi-final

Final

Top scorers

 * Overall