| Competition: | Irish League |
| Season: | 1971–72 |
| Winners: | Glentoran 15th Irish title |
| Matches: | 132 |
| Total Goals: | 475 |
| League Topscorer: | Peter Watson Des Dickson (20 goals each) |
| Prevseason: | 1970–71 |
| Nextseason: | 1972–73 |
The 1971–72 Irish League was the 71st edition of the Irish League, the highest level of league competition in Northern Irish football. The league consisted of 12 teams, and Glentoran won the championship.