The 1991 Norwegian Football Cup was the 86th edition of the Norwegian Football Cup. The final took place at Ullevaal Stadion in Oslo on 20 October 1991. Strømsgodset were won the Norwegian Cup after they defeated Rosenborg with the score 3–2. This was Strømsgodset's fourth Norwegian Cup title.

Strømsgodset Toppfotball is a Norwegian professional football club based in Gulskogen, Drammen, that competes in the Eliteserien. It is the elite football section of the multi-sports club Strømsgodset IF.