| Norgesmesterskapet i fotball for herrer | |
|---|---|
| Tournament details | |
| Country |  Norway |
| Teams | 128 (main competition) |
| Defending champions | Rosenborg |
| Final positions | |
| Champions | Strømsgodset (4th title) |
| Runner-up | Rosenborg |
The 1991 Norwegian Football Cup was the 86th edition of the Norwegian Football Cup. The final took place at Ullevaal Stadion in Oslo on 20 October 1991. Strømsgodset were won the Norwegian Cup after they defeated Rosenborg with the score 3–2. This was Strømsgodset's fourth Norwegian Cup title.
Below are the dates for each round as given by the official schedule:
| Round | Date(s) | Number of fixtures | Clubs |
|---|---|---|---|
| First Round | 29–30 May 1991 | 64 | 128 → 64 |
| Second Round | 11–12 June 1991 | 32 | 64 → 32 |
| Third Round | 26 June 1991 | 16 | 32 → 16 |
| Fourth Round | 24 July 1991 | 9 | 16 → 8 |
| Quarter-finals | 14 August 1991 | 5 | 8 → 4 |
| Semi-finals | 14–15 September 1991 | 2 | 4 → 2 |
| Final | 20 October 1991 | 1 | 2 → 1 |
| Team 1 | Score | Team 2 |
|---|---|---|
| 11 June 1991 | ||
| Ulf-Sandnes | 2–4 | Haugar |
| Namsos | 2–1 | Stålkameratene |
| 12 June 1991 | ||
| Elverum | 1–0 (a.e.t.) | Strømmen |
| Kongsvinger | 7–1 | Faaberg |
| Melhus | 0–6 | Rosenborg |
| Stjørdals/Blink | 2–0 | Clausenengen |
| Os | 0–1 | Viking |
| Ålgård | 0–2 | Bryne |
| Stord | 0–1 | Brann |
| Tromsdalen | 0–0 (3–5 p) | Grovfjord |
| Lillestrøm | 2–0 | Rakkestad |
| Vindbjart | 0–8 | Start |
| Pors | 2–0 | Fram Larvik |
| Alta | 2–2 (11–12 p) |
Tromsø |
| Mjølner | 2–0 | Luna |
| Sogndal | 4–0 | Løv-Ham |
| Hødd | 5–1 | Sunndal |
| Svolvær | 2–1 (a.e.t.) | Fauske/Sprint |
| Strømsgodset | 1–1 (4–2 p) | Råde |
| Steinkjer | 2–0 | Nessegutten |
| HamKam | 5–0 | Lørenskog |
| Eik-Tønsberg | 7–0 | Langesund |
| Moss | 3–0 | Ullern |
| Vålerenga | 2–1 | Sarpsborg FK |
| Vard Haugesund | 0–1 | Djerv 1919 |
| Fyllingen | 4–0 | Fana |
| Volda | 0–2 | Aalesund |
| Molde | 3–1 | Åndalsnes |
| Skeid | 0–1 | Mjøndalen |
| Drøbak/Frogn | 4–2 | Frigg |
| Kjelsås | 0–3 | Lyn |
| Grei | 5–0 | Sandefjord BK |
| Team 1 | Score | Team 2 |
|---|---|---|
| 25 June 1991 | ||
| Moss | 4–1 | Vålerenga |
| 26 June 1991 | ||
| Elverum | 0–3 | Kongsvinger |
| Rosenborg | 5–1 | Stjørdals/Blink |
| Brann | 6–2 | Haugar |
| Grovfjord | 1–4 | Lillestrøm |
| Start | 3–1 | Pors |
| Tromsø | 1–0 | Mjølner |
| Sogndal | 5–1 | Hødd |
| Svolvær | 0–4 | Strømsgodset |
| Steinkjer | 1–5 | HamKam |
| Eik-Tønsberg | 5–0 | Namsos |
| Djerv 1919 | 0–1 | Fyllingen |
| Aalesund | 1–2 | Molde |
| Mjøndalen | 1–1 (4–2 p) | Drøbak/Frogn |
| Lyn | 5–1 | Grei |
| 27 June 1991 | ||
| Viking | 3–1 | Bryne |
| Kongsvinger | 4–4 (a.e.t.) | Rosenborg |
|---|---|---|
Francis  5'Riisnæs 32'Sanderud 66'Husby 84' (o.g.) |
Skammelsrud 7', 14', 79' Ingebrigtsen 25' |
| Lillestrøm | 1–0 (a.e.t.) | Start |
|---|---|---|
| Bjarmann 102' |
| Strømsgodset | 4–3 | HamKam |
|---|---|---|
| Johannessen 5' Nordeide 35'Storskogen 58'Andersen 77' |
Svorkmo 9', 53' Ingelstad 15' |
| Eik-Tønsberg | 2–1 | Moss |
|---|---|---|
| Sundby 62' Fagernes 89' |
Pedersen 26' |
| Rosenborg | 1–0 | Kongsvinger |
|---|---|---|
| Løken 43' |
| Lillestrøm | 2–1 | Tromsø |
|---|---|---|
| Nilsen 17' (o.g.) Gulbrandsen 80' (pen.) |
B. Johansen 10' |
| Strømsgodset | 2–1 | Eik-Tønsberg |
|---|---|---|
| Knutsen 5' Storskogen 45' (pen.) |
G. Johansen 90+2' |
| Rosenborg | 3–1 (a.e.t.) | Lillestrøm |
|---|---|---|
| Skammelsrud 26' Brandhaug 114'Brattbakk 120' |
Amundsen 51' |
| Strømsgodset | 2–0 | Mjøndalen |
|---|---|---|
| Johnsen 35', 67' |
|
Main article: 1991 Norwegian Football Cup final |
| Strømsgodset | 3–2 | Rosenborg |
|---|---|---|
| Johnsen 14', 28' Nordeide 70' |
Report | Løken 3' Sørloth 71' |