| Norgesmesterskapet i fotball for menn 1980 | |
|---|---|
| Tournament details | |
| Country |  Norway |
| Teams | 128 (main competition) |
| Defending champions | Viking |
| Final positions | |
| Champions | Vålerengen (1st title) |
| Runner-up | Lillestrøm |
The 1980 Norwegian Football Cup was the 75th edition of the Norwegian annual knockout football tournament. The Cup was won by Vålerengen after beating Lillestrøm in the cup final with the score 4–1. This was Vålerengen's first Norwegian Cup title.