1988–89 Gold Cup
The 1988–89 Gold Cup was the 70th edition of the Gold Cup, a cup competition in Northern Irish football.
The tournament was won by Linfield for the 31st time and 2nd consecutive season, defeating Portadown 1–0 in the final at The Oval.
The format was the same as the previous season, with each team playing the other teams in their section once plus one match against a team from the other section. The top two from each section progressed to the semi-finals.