1990–91 Dundalk F.C. season

Dundalk entered the 1990–91 season having ended the previous season trophy-less for the first time since Turlough O'Connor's debut season as manager in 1985–86. They also had no European football, having not qualified for any of the competitions the season before. It was Dundalk's 65th consecutive season in the top tier of Irish football.

1990–91 Dundalk F.C. season

Dundalk entered the 1990–91 season having ended the previous season trophy-less for the first time since Turlough O'Connor's debut season as manager in 1985–86. They also had no European football, having not qualified for any of the competitions the season before. It was Dundalk's 65th consecutive season in the top tier of Irish football.