The 1989–90 Irish Cup was the 110th edition of the Irish Cup, Northern Ireland's premier

football Football is a family of team sports that involve, to varying degrees, kicking a ball to score a goal. Unqualified, the word ''football'' normally means the form of football that is the most popular where the word is used. Sports commonly c ...

knock-out cup competition. It began on 20 January 1990 and concluded on 5 May 1990 with the final. Ballymena United were the defending champions after winning their 6th Irish Cup last season, defeating Larne 1–0 in the 1989 final. However, this season they went out in the first round to

Dungannon Swifts Dungannon Swifts Football Club is a Northern Irish, semi-professional football club playing in the NIFL Premiership. The club, founded in 1949, has risen from the Mid-Ulster league to the top tier in Northern Ireland since its election to the ...

. Glentoran went on to win the cup for the fifth time in six seasons, and 15th time overall. They defeated Portadown 3–0 in the final.

Results

First round

Replays

Second round

Replays

Third round

With the exception of the below teams, all other winning teams from the second round were given a bye into the fourth round.

Replays

Fourth round

Replay

Fifth round

Replays

Sixth round

Quarter-finals

Semi-finals

Final

References

{{DEFAULTSORT:1989-90 Irish Cup 1989-90 1989–90 domestic association football cups 1989–90 in Northern Ireland association football 1989 in Northern Ireland sport 1990 in Northern Ireland sport