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.
Teams
Overview
A total of thirteen teams contested the championship, including all of the teams from the 1939 championship.Results
[Leinster Senior Hurling Championship]
First roundQuarter-finals
Semi-finals
'''Final'''
[Munster Senior Hurling Championship]
Quarter-finalSemi-finals
'''Final'''
[All-Ireland Senior Hurling Championship]
Semi-final'''Final'''
Championship statistics
Top scorers
;Overall| Rank | Player | County | Tally | Total | Matches | Average |
| 1 | Paddy McMahon | Limerick | 7-02 | 23 | 6 | 3.83 |
| 2 | Ted O'Sullivan | Cork | 7-00 | 21 | 3 | 7.00 |
| 3 | Mick Mackey | Limerick | 1–11 | 14 | 6 | 2.33 |
| 4 | Jackie Power | Limerick | 3-04 | 13 | 6 | 2.16 |
| 5 | Jim Langton | Kilkenny | 2-06 | 12 | 3 | 4.00 |