# 1981 Norwegian Football Cup

The 1981 Norwegian Football Cup was the 76th edition of the Norwegian annual knockout football tournament. The Cup was won by Lillestrøm after beating Moss in the cup final with the score 3–1. This was Lillestrøm's third Norwegian Cup title.

## First round

| Team 1 | Score | Team 2 |
| 26 May 1981 |||
| Donn | 2–4 (a.e.t.) | Vidar |
| Ørn-Horten | 8–0 | Birkebeineren |
| Kongsvinger | 3–1 | Vaaler |
| 27 May 1981 |||
| Cartherud | 0–2 | Skeid |
| Verdal | 0–1 | Nessegutten |
| Steinkjer | 7–1 | Freidig |
| Clausenengen | 0–0 (a.e.t.) | Kristiansund |
| Stord | 1–3 | Vard Haugesund |
| Kopervik | 3–1 | Åkra |
| Ulf | 0–1 | Ålgård |
| Fana | 0–1 (a.e.t.) | Ny-Krohnborg |
| Lyngdal | 1–10 | Start |
| Landsås | 2–3 | Bodø/Glimt |
| Varegg | 3–0 | Sandviken |
| Lærdal | 1–6 | Sogndal |
| Flå | 2–3 | Strindheim |
| Fram Skatval | 3–2 | Stjørdals/Blink |
| 28 May 1981 |||
| Strømmen | 7–0 | Øvrevoll |
| Sander | 1–2 | Bærum |
| Stabæk | 4–1 | Vang |
| Vinstra | 1–2 | Raufoss |
| Faaberg | 0–6 | HamKam |
| Bjørkelangen | 2–3 | Lyn |
| Kjelsås | 2–1 | Østsiden |
| Vålerengen | 3–1 | Sandaker |
| Frigg | 2–1 | Sprint/Jeløy |
| Pors | 3–1 | Flint |
| Stavanger | 1–3 | Bryne |
| Lisleby | 3–0 | Fram Larvik |
| Larvik Turn | 4–2 | Hvittingfoss |
| Skreia | 2–3 | Sarpsborg |
| Velledalen/Ringen | 0–2 | Molde |
| Træff | 1–2 | Sunndal |
| Borgen | 0–0 (a.e.t.) | Eidsvold Turn |
| Røros | 0–1 | Brekken |
| Baune | 0–4 | Brann |
| Os | 3–0 | Hald |
| Haugar | 4–0 | Nord |
| Lørenskog | 0–2 | Lillestrøm |
| Jerv | 1–4 (a.e.t.) | Teie |
| Namsos | 2–4 | Mosjøen |
| Tromsdalen | 0–3 (a.e.t.) | Harstad |
| Skjervøy | 0–0 (a.e.t.) | Tromsø |
| Skotterud | 0–7 | Moss |
| Brumunddal | 3–3 (a.e.t.) | Strømsgodset |
| Mjølner | 7–1 | Saltdalkameratene |
| Stålkameratene | 0–0 (a.e.t.) | Mo |
| Aalesund | 2–0 | Tornado |
| Sandane | 0–1 | Eid |
| Bergsøy | 2–4 | Hødd |
| Åndalsnes | 1–0 | Hareid |
| Kvinesdal | 4–2 (a.e.t.) | Vigør |
| Rosenborg | 3–0 | Vestbyen |
| Aurskog | 0–2 | Fredrikstad |
| Sola | 0–2 | Viking |
| Ørsta | 0–2 | Skarbøvik |
| Polarstjernen | 2–6 | Øksfjord |
| 2 June 1981 |||
| Andenes | 0–0 (a.e.t.) | Svolvær |
| 3 June 1981 |||
| Kvik Halden | 2–1 | Kolbotn |
| Kongsberg | 0–3 | Odd |
| 4 June 1981 |||
| Mjøndalen | 4–1 (a.e.t.) | Herkules |
| Eik-Tønsberg | 5–0 | Brevik |
| 10 June 1981 |||
| Snøgg | 2–1 | Tjølling |
| Jevnaker | 1–3 | Åssiden |
| Replay: 4 June 1981 |||
| Eidsvold Turn | 1–0 | Borgen |
| Replay: 8 June 1981 |||
| Svolvær | 1–0 | Andenes |
| Replay: 10 June 1981 |||
| Tromsø | 0–1 | Skjervøy |
| Strømsgodset | 3–1 | Brumunddal |
| Kristiansund | 3–0 | Clausenengen |
| Replay: 11 June 1981 |||
| Mo | 5–2 (a.e.t.) | Stålkameratene |

## Second round

| Team 1 | Score | Team 2 |
| 23 June 1981 |||
| Lisleby | 2–6 | Vålerengen |
| Eid | 0–1 (a.e.t.) | Skarbøvik |
| 24 June 1981 |||
| Sunndal | 0–3 | Kristiansund |
| Hødd | 3–0 | Åndalsnes |
| Kjelsås | 0–1 (a.e.t.) | Lyn |
| Eik-Tønsberg | 1–2 | Frigg |
| Odd | 3–0 | Kvik Halden |
| Mosjøen | 2–2 (a.e.t.) | Steinkjer |
| Vard Haugesund | 4–4 (a.e.t.) | Varegg |
| Ny-Krohnborg | 1–2 | Kopervik |
| Bryne | 4–0 | Kvinesdal |
| Molde | 0–0 (a.e.t.) | Aalesund |
| Strindheim | 1–0 | Mo |
| Raufoss | 0–1 | Strømmen |
| Lillestrøm | 5–0 | Snøgg |
| Brekken | 0–1 | Rosenborg |
| Harstad | 3–0 | Skjervøy |
| Sogndal | 3–0 | Mjøndalen |
| Brann | 3–0 | Os |
| Skeid | 1–1 (a.e.t.) | Bærum |
| Start | 6–2 | Larvik Turn |
| Moss | 5–1 | Eidsvold Turn |
| Sarpsborg | 3–2 | Ørn-Horten |
| Fredrikstad | 2–0 | Stabæk |
| Vidar | 0–2 | Haugar |
| Ålgård | 2–3 (a.e.t.) | Viking |
| Fram Skatval | 0–0 (a.e.t.) | Nessegutten |
| Strømsgodset | 1–1 (a.e.t.) | Kongsvinger |
| HamKam | 4–1 | Åssiden |
| Øksfjord | 1–2 | Mjølner |
| Bodø/Glimt | 2–2 (a.e.t.) | Svolvær |
| 25 June 1981 |||
| Teie | 1–3 | Pors |
| Replay: 1 July 1981 |||
| Steinkjer | 2–0 | Mosjøen |
| Nessegutten | 0–1 | Fram Skatval |
| Kongsvinger | 2–0 | Strømsgodset |
| Replay: 2 July 1981 |||
| Bærum | 5–2 | Skeid |
| Varegg | 2–3 (a.e.t.) | Vard Haugesund |
| Replay: 8 July 1981 |||
| Svolvær | 1–4 | Bodø/Glimt |
| Aalesund | 2–3 | Molde |

## Third round

| Team 1 | Score | Team 2 |
| 8 July 1981 |||
| Vålerengen | 6–0 | Odd |
| 9 July 1981 |||
| Skarbøvik | 0–1 | Haugar |
| Kopervik | 1–3 | Bryne |
| Strømmen | 0–2 | Lillestrøm |
| Viking | 5–1 | Fram Skatval |
| Bærum | 0–2 | Start |
| Lyn | 2–1 | Frigg |
| Kongsvinger | 0–2 | HamKam |
| Pors | 1–2 | Moss |
| Steinkjer | 5–1 (a.e.t.) | Vard Haugesund |
| Kristiansund | 0–2 | Hødd |
| Rosenborg | 7–0 | Harstad |
| Sogndal | 3–4 (a.e.t.) | Brann |
| Sarpsborg | 4–6 (a.e.t.) | Fredrikstad |
| 12 July 1981 |||
| Mjølner | 2–1 (a.e.t.) | Bodø/Glimt |
| Molde | 4–2 | Strindheim |