| Competition: | Irish League |
| Season: | 1942–43 |
| Winners: | Linfield |
| Matches: | 60 |
| Total Goals: | 259 |
| Prevseason: | 1941–42 |
| Nextseason: | 1943–44 |
The Irish League in season 1942–43 was suspended due to the Second World War. A Northern Regional League was played instead by 6 teams, and Linfield won the championship.[1]