The 1978 Norwegian Football Cup was the 73rd edition of the Norwegian annual knockout football tournament. The Cup was won by Lillestrøm after beating Brann in the cup final with the score 2–1. This was Lillestrøm's second Norwegian Cup title.
| Norgesmesterskapet i fotball for menn 1978 | |
|---|---|
| Tournament details | |
| Country |  Norway |
| Teams | 128 (main competition) |
| Defending champions | Lillestrøm |
| Final positions | |
| Champions | Lillestrøm (2nd title) |
| Runner-up | Brann |
First round edit
Second round edit
| Team 1 | Score | Team 2 |
|---|---|---|
| Aurskog | 0–3 | Skeid |
| Bodø/Glimt | 2–0 | Norild |
| Brekken | 1–2 | Molde |
| Brumunddal | 4–3 | Mjøndalen |
| Bryne | 4–1 | Sola |
| Eik | 0–2 | Lyn |
| Fram (Larvik) | 2–2 (a.e.t.) | Larvik Turn |
| Frigg | 1–0 | Drafn |
| HamKam | 6–0 | Sander |
| Harstad | 4–0 | Lyngen |
| Haugar | 0–4 | Viking |
| Jotun | 0–2 | Sogndal |
| Kristiansund | 0–3 | Rosenborg |
| Lillestrøm | 5–0 | Hamar |
| Mo | 3–0 | Mosjøen |
| Moss | 5–1 | Skreia |
| Nessegutten | 2–1 | Ranheim |
| Ny-Krohnborg | 1–0 | Os |
| Pors | 5–2 | Fredrikstad |
| Skarbøvik | 0–1 | Hødd |
| Sparta | 1–3 | Vålerengen |
| Start | 3–1 | Vidar |
| Steinkjer | 3–2 | Namsos |
| Strindheim | 0–2 | Clausenengen |
| Strømmen | 3–2 (a.e.t.) | Ørn |
| Tromsø | 3–1 | Mjølner |
| Tynset | 1–2 (a.e.t.) | Raufoss |
| Ulf | 3–1 | Vard |
| Varegg | 1–3 | Brann |
| Vigør | 0–1 (a.e.t.) | Urædd |
| Ørsta | 1–1 (a.e.t.) | Tornado |
| Østsiden | 2–0 | Kongsvinger |
| Replay | ||
| Larvik Turn | 0–1 | Fram (Larvik) |
| Tornado | 1–0 (a.e.t.) | Ørsta |
Third round edit
| Team 1 | Score | Team 2 |
|---|---|---|
| 25 July 1978 | ||
| HamKam | 1–3 (a.e.t.) | Moss |
| 26 July 1978 | ||
| Molde | 1–0 | Tornado |
| Lillestrøm | 6–0 | Østsiden |
| Urædd | 1–5 | Start |
| Brann | 9–1 | Ny-Krohnborg |
| Vålerengen | 5–2 | Pors |
| Bryne | 2–1 | Ulf |
| Clausenengen | 0–0 (a.e.t.) | Steinkjer |
| 27 July 1978 | ||
| Fram (Larvik) | 2–3 | Viking |
| 29 July 1978 | ||
| Tromsø | 3–2 | Harstad |
| 30 July 1978 | ||
| Rosenborg | 5–0 | Brumunddal |
| Hødd | 0–2 | Nessegutten |
| Raufoss | 1–0 | Skeid |
| Sogndal | 1–2 | Frigg |
| 2 August 1978 | ||
| Mo | 1–0 | Bodø/Glimt |
| 3 August 1978 | ||
| Lyn | 1–0 | Strømmen |
| Replay: 2 August 1978 | ||
| Steinkjer | 2–3 | Clausenengen |
Fourth round edit
| Team 1 | Score | Team 2 |
|---|---|---|
| 23 August 1978 | ||
| Frigg | 0–1 | Bryne |
| Start | 5–1 | Raufoss |
| Rosenborg | 2–0 | Molde |
| Nessegutten | 0–2 (a.e.t.) | Brann |
| Mo | 0–3 | Lillestrøm |
| 24 August 1978 | ||
| Moss | 3–2 | Lyn |
| Viking | 4–0 | Tromsø |
| Clausenengen | 2–1 (a.e.t.) | Vålerengen |
Quarter-finals edit
| Lillestrøm | 1–0 | Moss |
|---|---|---|
Tomteberget  17' |
Attendance: 4,081
| Viking | 5–0 | Clausenengen |
|---|---|---|
| Johannessen 30', 47', 75' Svendsen 54', 88' |
Attendance: 5,553
Replay edit
Semi-finals edit
| Start | 0–0 (a.e.t.) | Lillestrøm |
|---|---|---|
Replay edit
| Lillestrøm | 1–0 | Start |
|---|---|---|
| Lund 2' (pen.) |
Final edit
| Lillestrøm | 2–1 | Brann |
|---|---|---|
| V. Hansen 74', 76' |
Report | Aase 20' |
Lillestrøm's winning squad: Arne Amundsen, Per Berg (Arne Dokken 45), Jan Birkelund, Tore Kordahl, Georg Hammer, Frank Grønlund, Gunnar Lønstad, Øivind Tomteberget, Leif Hansen, Tom Lund, Vidar Hansen and Rolf Nordberg.
Brann's team: Jan Knudsen, Helge Karlsen, Bjørn Brandt, Terje Rolland, Tore Nordtvedt, Kjell Rune Pedersen (Ingvar Dalhaug 81), Atle Hellesø, Neil MacLeod, Ingvald Huseklepp, Steinar Aase and Bjørn Tronstad.