| League: | 1939–40 National Hurling League |
| Dates: | 2 October 1939 – 7 April 1940 |
| Teams: | 9 |
| Team1: | Cork |
| Captain1: | Jack Lynch |
| Titles: | 3rd |
| Team2: | Tipperary |
| Captain2: | Jimmy Maher |
| Previous: | 1938–39 |
| Next: | 1940–41 |
The 1939–40 National Hurling League was the 13th edition of the National Hurling League, which ran from 2 October 1939 until 7 April 1940.
The nine participating teams were Clare, Cork, Dublin, Galway, Kilkenny, Laois, Limerick, Tipperary and Waterford who were divided into two divisions. Two points awarded for a win and one point awarded for a drawn game..
Cork won the league, beating Tipperary by 8-9 to 6-4 in the final.[1]
| width=20 | Pos | width=150 | Team | width=20 | Pld | width=20 | W | width=20 | D | width=20 | L | width=20 | Pts | width=250 | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cork | 4 | 4 | 0 | 0 | 8 | National League champions | ||||||||
| 2 | Kilkenny | 4 | 3 | 0 | 1 | 6 | |||||||||
| 3 | Limerick | 4 | 2 | 0 | 2 | 4 | |||||||||
| 4 | Waterford | 4 | 1 | 0 | 3 | 2 | |||||||||
| 5 | Clare | 4 | 0 | 0 | 4 | 0 |
| width=20 | Pos | width=150 | Team | width=20 | Pld | width=20 | W | width=20 | D | width=20 | L | width=20 | Pts | width=250 | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Tipperary | 3 | 3 | 0 | 0 | 6 | National League runners-up | ||||||||
| 2 | Laois | 3 | 2 | 0 | 1 | 4 | |||||||||
| 3 | Galway | 3 | 1 | 0 | 3 | 2 | |||||||||
| 4 | Dublin | 3 | 0 | 0 | 3 | 0 |
Final