1985–86 League of Ireland First Division
| Season | 1985–86 |
|---|---|
| Champions | Bray Wanderers |
| Promoted | Sligo Rovers |
| Top goalscorer | Con McLoughlin: 11 (Finn Harps) Harry McLoughlin: 11 (Sligo Rovers) |
1986–87 → | |
The 1985–86 League of Ireland First Division season was the first season of the League of Ireland First Division. The inaugural First Division featured ten teams. Bray Wanderers won the title.