| Country |
|
||
|---|---|---|---|
| Teams | 32 | ||
| Champions | Glentoran (17th win) | ||
| Runners-up | Glenavon | ||
| Matches played | 35 | ||
| Goals scored | 99 (2.83 per match) | ||
|
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The 1997–98 Irish Cup was the 118th edition of Northern Ireland's premier football knock-out cup competition. It concluded on 2 May 1998 with the final.
Glenavon were the defending champions after winning their 5th Irish Cup last season, with a 1–0 win over Cliftonville in the 1997 final. This season Glenavon reached the final again for the third year in a row, but were defeated 1–0 after extra time by Glentoran, who won the cup for the 17th time. This was a repeat of the 1995–96 final two years earlier that also ended 1–0 to the Glens.