The 1979 Norwegian Football Cup was the 74th edition of the Norwegian annual knockout football tournament. The Cup was won by Viking after beating Haugar in the cup final with the score 2–1. This was Viking's third Norwegian Cup title.
First round
Second round
| Team 1 | Score | Team 2 |
|---|---|---|
| 29 June 1979 | ||
| Brann | 6–1 | Jotun |
| 4 July 1979 | ||
| Rosenborg | 4–1 | Tynset |
| Sarpsborg | 0–2 | Lyn |
| 5 July 1979 | ||
| Bergsøy | 3–1 | Ørsta |
| Brodd | 0–4 | Klepp |
| Brumunddal | 3–4 (a.e.t.) | Raufoss |
| Bryne | 3–0 | Vidar |
| Dale Fjaler | 0–3 | Varegg |
| Djerv 1919 | 1–3 (a.e.t.) | Os |
| Eik | 1–0 | Fram (Larvik) |
| Haugar | 5–2 | Stord |
| Jerv | 0–1 | Start |
| Kongsvinger | 1–2 | Fredrikstad |
| Kristiansund | 1–2 | Molde |
| Kvik (Halden) | 1–0 | Frigg |
| Larvik Turn | 2–1 | Skeid |
| Lillehammer | 3–1 | Røros |
| Lyngen | 0–3 | Tromsø |
| Mjølner | 2–0 | Bodø/Glimt |
| Mjøndalen | 3–0 | Strømsgodset |
| Mo | 3–0 | Mosjøen |
| Moss | 8–1 | Steinberg |
| Neset | 0–2 | Nessegutten |
| Sander | 1–4 | Lillestrøm |
| Skarbøvik | 2–0 | Tornado |
| Sola | 0–4 | Viking |
| Steinkjer | 1–0 | Stjørdals/Blink |
| Storm | 1–3 | Pors |
| Sunndal | 0–2 | Strindheim |
| Ull/Kisa | 2–0 | HamKam |
| Vålerengen | 0–1 | Eidsvold Turn |
| Ørn | 4–0 | Odd |
Third round
| Team 1 | Score | Team 2 |
|---|---|---|
| 24 July 1979 | ||
| Nessegutten | 3–1 | Mo |
| 25 July 1979 | ||
| Fredrikstad | 1–0 (a.e.t.) | Kvik (Halden) |
| Lyn | 3–1 | Larvik Turn |
| Lillestrøm | 3–0 | Eik |
| Eidsvold Turn | 1–1 (a.e.t.) | Mjøndalen |
| Lillehammer | 1–0 | Moss |
| Raufoss | 4–1 | Ull/Kisa |
| Pors | 0–1 | Bryne |
| Start | 3–1 | Ørn |
| Klepp | 0–1 (a.e.t.) | Viking |
| Os | 1–1 (a.e.t.) | Haugar |
| Varegg | 1–3 (a.e.t.) | Brann |
| Bergsøy | 1–3 | Rosenborg |
| Molde | 4–2 | Skarbøvik |
| Strindheim | 3–1 | Steinkjer |
| Tromsø | 1–2 | Mjølner |
| Replay: 2 August 1979 | ||
| Mjøndalen | 1–1 (a.e.t.) | Eidsvold Turn |
| Haugar | 1–0 | Os |
| 2nd replay: 8 August 1979 | ||
| Eidsvold Turn | 2–3 (a.e.t.)[a] | Mjøndalen |
- ^ Played at Nadderud Stadion in Bærum.
Fourth round
| Team 1 | Score | Team 2 |
|---|---|---|
| 12 August 1979 | ||
| Fredrikstad | 6–2 (a.e.t.) | Nessegutten |
| Lillehammer | 0–3 | Lillestrøm |
| Mjøndalen | 3–0 | Lyn |
| Bryne | 4–0 | Molde |
| Viking | 1–0 (a.e.t.) | Raufoss |
| Haugar | 2–0 | Start |
| Brann | 2–1 | Strindheim |
| Mjølner | 3–3 (a.e.t.) | Rosenborg |
| Replay: 16 August 1979 | ||
| Rosenborg | 4–2 | Mjølner |
Quarter-finals
| Fredrikstad | 0–3 | Mjøndalen |
|---|---|---|
Solberg  18' (pen.)Olsen 60'Sarr 83' |
| Lillestrøm | 1–2 | Brann |
|---|---|---|
| Erlandsen 20' |
Pedersen 47' Tronstad 90' |