| Year: | 1940 |
| Dates: | 5 May - 1 September 1940 |
| Teams: | 13 |
| Munster: | Limerick |
| Leinster: | Kilkenny |
| Matches: | 14 |
| Team: | Limerick |
| Titles: | 6th |
| Captain: | Mick Mackey |
| Team2: | Kilkenny |
| Captain2: | Jim Langton |
| Topscorer: | Paddy McMahon (7-02) |
| Previous: | 1939 |
| Next: | 1941 |
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.[1] This was their 6th All-Ireland title, their first in four championship seasons.
Kilkenny were the defending champions.
A total of thirteen teams contested the championship, including all of the teams from the 1939 championship.
| Team | Colours | Most recent success | |||
|---|---|---|---|---|---|
| All-Ireland | Provincial | League | |||
| Clare | Saffron and blue | 1914 | 1932 | ||
| Cork | Red and white | 1931 | 1931 | 1939-40 | |
| Dublin | Navy and blue | 1938 | 1938 | 1938-39 | |
| Galway | Maroon and white | 1923 | 1922 | 1930-31 | |
| Kilkenny | Black and amber | 1939 | 1939 | 1932-33 | |
| Laois | Blue and white | 1915 | 1915 | ||
| Limerick | Green and white | 1936 | 1936 | 1937-38 | |
| Meath | Green and gold | ||||
| Offaly | Green, white and gold | ||||
| Tipperary | Blue and gold | 1937 | 1937 | 1927-28 | |
| Waterford | Blue and white | 1938 | |||
| Westmeath | Maroon and white | ||||
| Wexford | Purple and gold | 1910 | 1918 | ||
First round
Quarter-finals
Semi-finals
Final
Quarter-final
Semi-finals
Final
Semi-final
Final
| 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 |