| Norgesmesterskapet i fotball for menn 1971 | |
|---|---|
| Tournament details | |
| Country |  Norway |
| Teams | 128 (main competition) |
| Defending champions | Strømsgodset |
| Final positions | |
| Champions | Rosenborg (3rd title) |
| Runner-up | Fredrikstad |
The 1971 Norwegian Football Cup was the 66th edition of the Norwegian annual knockout football tournament. The Cup was won by Rosenborg after beating Fredrikstad in the cup final with the score 4–1. This was Rosenborg's third Norwegian Cup title.