| Norgesmesterskapet i fotball for herrer | |
|---|---|
| Tournament details | |
| Country | Norway |
| Teams | 128 (main competition) |
| Defending champions | Bryne |
| Final positions | |
| Champions | Rosenborg (4th title) |
| Runner-up | Brann |
The 1988 Norwegian Football Cup was the 83rd edition of the Norwegian annual knockout football tournament. The Cup was won by Rosenborg after they beat Brann in the final. It took a replay to decide the winner. This was Rosenborg's fourth Norwegian Cup title.
| Team 1 | Score | Team 2 |
|---|---|---|
| 10 June 1988 | ||
| Molde | 2–0 | Spjelkavik |
| 11 June 1988 | ||
| Geilo | 3–2 | Sogndal |
| Tromsø | 4–2 | Narvik/Nor |
| Nessegutten | 0–1 | Stjørdals/Blink |
| Aalesund | 0–4 | Clausenengen |
| Kristiansund | 7–0 | Hødd |
| 12 June 1988 | ||
| Harstad | 3–3 (5–6 p) | Skarp |
| Vålerengen | 4–3 | Grei |
| Ørn-Horten | 0–1 (a.e.t.) | Moss |
| Kjelsås | 1–0 | Fredrikstad |
| Raufoss | 2–1 | Faaberg |
| Drøbak/Frogn | 1–0 | Larvik Turn |
| Kopervik | 0–1 | Vard Haugesund |
| Brann | 9–1 | Varegg |
| Steinkjer | 1–1 (3–4 p) | Strindheim |
| Skeid | 0–2 | Lillestrøm |
| Råde | 2–1 | Lyn |
| Sandnessjøen | 1–5 | Bodø/Glimt |
| Mjølner | 4–2 | Fauske/Sprint |
| Gjøvik-Lyn | 0–3 | Kongsvinger |
| Alvdal | 5–0 | Sel |
| Rosenborg | 9–0 | Beitstad |
| Pors | 0–4 | Eik-Tønsberg |
| HamKam | 6–1 | Frigg |
| Jerv | 5–5 (5–4 p) | Vidar |
| Start | 5–0 | Gulset |
| Fyllingen | 3–2 | Fana |
| Bryne | 2–0 | Donn |
| Fram Larvik | 1–2 | Mjøndalen |
| Strømmen | 1–0 | Fremad |
| Viking | 3–0 | Randaberg |
| Djerv 1919 | 4–0 | Os |
| Team 1 | Score | Team 2 |
|---|---|---|
| 6 July 1988 | ||
| Skarp | 0–2 | Tromsø |
| Geilo | 0–5 | Vålerengen |
| Moss | 10–0 | Kjelsås |
| Raufoss | 1–4 | Drøbak/Frogn |
| Vard Haugesund | 0–5 | Brann |
| Strindheim | 4–1 | Kristiansund |
| Lillestrøm | 2–3 | Råde |
| Bodø/Glimt | 3–0 | Mjølner |
| Kongsvinger | 1–2 | Alvdal |
| Clausenengen | 0–0 (3–4 p) | Molde |
| Stjørdals/Blink | 1–2 | Rosenborg |
| Eik-Tønsberg | 4–2 (a.e.t.) | HamKam |
| Jerv | 0–4 | Start |
| Fyllingen | 1–0 | Bryne |
| Mjøndalen | 1–0 | Strømmen |
| Viking | 1–0 | Djerv 1919 |
| Tromsø | 0–1 | Vålerengen |
|---|---|---|
Gjellestad  4' |
| Moss | 1–0 | Drøbak/Frogn |
|---|---|---|
| Karlsrud 70' |
| Brann | 2–0 | Strindheim |
|---|---|---|
| Ahlsen 16' Johnsen 84' |
| Rosenborg | 4–3 | Eik-Tønsberg |
|---|---|---|
| Brandhaug 21', 52' Jakobsen 29'Sørloth 77' | Bjøme 3' Kristiansen 6'Fagernes 73' |
| Start | 6–3 (a.e.t.) | Fyllingen |
|---|---|---|
| Håberg 50' (pen.), 101', 114', 117' Dahlum 90+3', 111' | Reigstad 20' Pedersen 44', 113' |
| Råde | 1–0 | Bodø/Glimt |
|---|---|---|
| Stærk 83' |
| Vålerengen | 0–1 | Moss |
|---|---|---|
| Fjærestad 53' |