| Competition: | Irish League |
| Season: | 1984–85 |
| Winners: | Linfield 37th Irish title |
| Matches: | 182 |
| Total Goals: | 556 |
| League Topscorer: | Martin McGaughey (34) |
| Prevseason: | 1983–84 |
| Nextseason: | 1985–86 |
The 1984–85 Irish League was the 84th edition of the Irish League, the highest level of league competition in Northern Irish football. The league consisted of 14 teams, and Linfield won the championship.