1990–91 League of Ireland First Division
| Season | 1990–91 |
|---|---|
| Champions | Drogheda United |
| Promoted | Bray Wanderers |
| Top goalscorer | Jim Barr:12 (Monaghan United) Con McLoughlin:12 (Finn Harps) |
← 1989–90 1991–92 → | |
The 1990–91 League of Ireland First Division season was the sixth season of the League of Ireland First Division.