The 1977 Norwegian Football Cup was the 72nd edition of the Norwegian annual knockout football tournament. The Cup was won by Lillestrøm after beating Bodø/Glimt in the final on 23 October 1977 with the score 1–0. This was Lillestrøm's first Norwegian Cup title.
In the final, Lillestrøm won 1–0 against Bodø/Glimt, with their biggest star, Tom Lund scoring the only goal. This was Lillestrøm's fourth final, and the first time they won the Norwegian Cup.