1990–91 League of Ireland Premier Division
| Season | 1990–91 |
|---|---|
| Champions | Dundalk F.C. (8th title) |
| Relegated | Waterford United Limerick City |
| European Cup | Dundalk F.C. |
| UEFA Cup | Cork City |
| UEFA Cup Winners' Cup | Galway United |
| Top goalscorer | Peter Hanrahan:18 (Dundalk) |
← 1989–90 1991–92 → | |
The 1990–91 League of Ireland Premier Division was the sixth season of the League of Ireland Premier Division. The Premier Division was made up of 12 teams.