| Norgesmesterskapet i fotball for herrer | |
|---|---|
| Tournament details | |
| Country | Norway |
| Teams | 85 (main competition) |
| Final positions | |
| Champions | Stabæk (1st title) |
| Runners-up | Rosenborg |
| Tournament statistics | |
| Top goal scorer | Sigurd Rushfeldt (5) |

The1998Norwegian Football Cup was the 93rd edition of theNorwegian Football Cup and was won byStabæk after defeatingRosenborg in thefinal atUllevaal Stadion on 1 November.
Because ofNorway's participation in the1998 FIFA World Cup, the clubs playing inTippeligaen entered the competition in the third round.
Below are the dates for each round as given by the official schedule:
| Round | Date(s) | Number of fixtures | Clubs | New entries this round |
|---|---|---|---|---|
| First Round | 21–23 April 1998 | 35 | 85 → 50 | 70: 16th–85th |
| Second Round | 13 May 1998 | 18 | 50 → 32 | 1: 15th |
| Third Round | 3–4 June 1998 | 16 | 32 → 16 | 14: 1st–14th |
| Fourth Round | 15–16 July 1998 | 8 | 16 → 8 | none |
| Quarter-finals | 5 August 1998 | 4 | 8 → 4 | none |
| Semi-finals | 23 September 1998 | 2 | 4 → 2 | none |
| Final | 1 November 1998 | 1 | 2 → 1 | none |
| Team 1 | Score | Team 2 |
|---|---|---|
| 21 April 1998 | ||
| Vidar | 2–0 (a.e.t.) | Sandnes FK |
| Førde | 4–3 | Jotun |
| Steinkjer | 2–3 | Nardo |
| 22 April 1998 | ||
| Sarpsborg FK | 3–2 | Råde |
| Drøbak/Frogn | 0–4 | Fredrikstad |
| Eidsvold Turn | 2–3 | Raufoss |
| Fossum | 1–1(3–1p) | Jevnake |
| Ski | 1–3 | Strømmen |
| Birkebeineren | 0–2 | Skeid |
| Storm | 0–4 | Eik-Tønsberg |
| Lyngdal | 1–2 | Start |
| Kopervik | 0–3 | Bryne |
| Ny-Krohnborg | 1–3 | Fana |
| Os | 1–1(3–4p) | Vard Haugesund |
| Åsane | 3–1 | Fyllingen |
| Stryn | 2–2(7–6p) | Hødd |
| Velledalen/Ringen | 0–5 | Aalesund |
| Clausenengen | 5–0 | Træff |
| Tromsdalen | 4–3 (a.e.t.) | Finnsnes |
| Skjervøy | 1–4 | Alta |
| 23 April 1998 | ||
| Holter | 0–3 | Ullern |
| Abildsø | 3–5 | Lyn |
| Grei | 0–2 | Kjelsås |
| Bærum | 5–1 | Mjøndalen |
| Tynset | 1–2 (a.e.t.) | HamKam |
| Faaberg | 3–1 | Elverum |
| Liv/Fossekallen | 0–1 | Runar |
| Ørn-Horten | 0–1 | Pors Grenland |
| Tollnes | 1–2 | Odd Grenland |
| Mandalskameratene | 2–1 | Jerv |
| Ålgård | 1–0 | Sola |
| Ranheim | 0–1 | Stjørdals-Blink |
| Namsos | 1–4 | Strindheim |
| Lofoten | 4–2 | Gevir Bodø |
| Harstad | 1–0 | Stålkameratene |
| Team 1 | Score | Team 2 |
|---|---|---|
| 13 May 1998 | ||
| Fredrikstad | 0–1 | Kjelsås |
| Strømmen | 1–4 | HamKam |
| Ullern | 1–4 | Sarpsborg FK |
| Lyn | 6–0 | Bærum |
| Raufoss | 2–0 | Faaberg |
| Eik-Tønsberg | 9–1 | Fossum |
| Runar | 1–2 | Skeid |
| Pors Grenland | 1–2 | Start |
| Mandalskameratene | 0–0(6–7p) | Odd Grenland |
| Vard Haugesund | 2–3 | Vidar |
| Bryne | 3–0 | Ålgård |
| Fana | 2–2 (17–16p) | Åsane |
| Stryn | 2–2(5–4p) | Førde |
| Aalesund | 4–1 | Clausenengen |
| Nardo | 0–1 | Byåsen |
| Stjørdals-Blink | 0–6 | Strindheim |
| Lofoten | 0–2 | Tromsdalen |
| Alta | 1–2 | Harstad |
| Team 1 | Score | Team 2 |
|---|---|---|
| 3 June 1998 | ||
| Sarpsborg FK | 0–5 | Rosenborg |
| Vålerenga | 1–3 | Skeid |
| Start | 1–3 | Strømsgodset |
| Fana | 2–4 | Molde |
| Stryn | 0–1 | Brann |
| Harstad | 1–4 | Bodø/Glimt |
| 4 June 1998 | ||
| Moss | 2–0 | Eik-Tønsberg |
| Kjelsås | 0–2 | Haugesund |
| Stabæk | 1–0 | Aalesund |
| HamKam | 4–3 (a.e.t.) | Sogndal |
| Kongsvinger | 2–1 | Raufoss |
| Odd Grenland | 1–2 | Bryne |
| Vidar | 0–1 | Viking |
| Strindheim | 3–3(4–3p) | Lillestrøm |
| Byåsen | 2–1 | Lyn |
| Tromsdalen | 0–10 | Tromsø |
| Skeid | 4–1 (a.e.t.) | Haugesund |
|---|---|---|
| Steffensen Grinna Halvorsen | Jacobsen |
| Moss | 2–1 | Bodø/Glimt |
|---|---|---|
| Enerly Løvlien | Berg |