The 1988 Norwegian Football Cup was the 83rd edition of the Norwegian annual knockout football tournament. The Cup was won by Rosenborg after they beat Brann in the final. It took a replay to decide the winner. This was Rosenborg's fourth Norwegian Cup title.
First round
|colspan="3" style="background-color:#97DEFF"|16 May 1988
|colspan="3" style="background-color:#97DEFF"|18 May 1988
|colspan="3" style="background-color:#97DEFF"|19 May 1988
Second round
|colspan="3" style="background-color:#97DEFF"|10 June 1988
|colspan="3" style="background-color:#97DEFF"|11 June 1988
|colspan="3" style="background-color:#97DEFF"|12 June 1988
Third round
|colspan="3" style="background-color:#97DEFF"|6 July 1988
Fourth round
Quarter-finals
Semi-finals
Final
First match
Replay match
References http://www.rsssf.no