1990–91 Irish League

Irish League
Season1990–91
ChampionsPortadown
2nd Irish title
Matches240
Goals748 (3.12 per match)
Top goalscorerStephen McBride (22 goals)
Location of Belfast-based teams in the Irish League from 1990–95

The 1990–91 Irish League was the 90th edition of the Irish League, the highest level of football in Northern Ireland. The league began with the first round of matches on 22 September 1990 and ended with the final round of matches on 27 April 1991. Defending champions Portadown won the championship for the second time.

The league consisted of 16 teams, an increase of two from the previous season as Ballyclare Comrades and Omagh Town were elected to the league.

Portadown qualified to compete in the 1991–92 European Cup and runners-up Bangor qualified for the 1991–92 UEFA Cup.