The 1989–90 League of Ireland First Division season was the fifth season of the League of Ireland First Division.
Overview The First Division was contested by 10 teams and Waterford United F.C. won the division.
Final table
First Division play-off After Waterford United and Sligo Rovers finished level on points, a play-off was held to decide the overall title winners.
1st leg
2nd leg
Waterford United won 2–1 on aggregate and were declared champions.
See also 1989–90 League of Ireland Premier Division
References