| Competition: | Irish League |
| Season: | 1937–38 |
| Winners: | Belfast Celtic 11th Irish title |
| Matches: | 182 |
| Total Goals: | 797 |
| Prevseason: | 1936–37 |
| Nextseason: | 1938–39 |
The 1937–38 Irish League was the 44th edition of the Irish League, the highest level of league competition in Northern Irish football. The league comprised 14 teams, and Belfast Celtic won the championship after a play-off with Derry City.