| 1983 Norwegian Football Cup | |
| Other Titles: | Norgesmesterskapet i fotball for herrer |
| Country: |  Norway |
| Num Teams: | 128 (main competition) |
| Defending Champions: | Brann |
| Winners: | Moss (1st title) |
| Second: | Vålerengen |
| Prev Season: | 1982 |
| Next Season: | 1984 |
The 1983 Norwegian Football Cup was the 78th edition of the Norwegian annual knockout football tournament. The Cup was won by Moss after beating Vålerengen in the cup final with the score 2–0. This was Moss's first Norwegian Cup title.
|colspan="3" style="background-color:#97DEFF"|20 May 1983|-|colspan="3" style="background-color:#97DEFF"|25 May 1983|-|colspan="3" style="background-color:#97DEFF"|26 May 1983|-|colspan="3" style="background-color:#97DEFF"|1 June 1983|-|colspan="3" style="background-color:#97DEFF"|Replay: 2 June 1983|}
|colspan="3" style="background-color:#97DEFF"|7 June 1983|-|colspan="3" style="background-color:#97DEFF"|8 June 1983|-|colspan="3" style="background-color:#97DEFF"|9 June 1983|-|colspan="3" style="background-color:#97DEFF"|Replay: 15 June 1983|-|colspan="3" style="background-color:#97DEFF"|Replay: 16 June 1983|-|colspan="3" style="background-color:#97DEFF"|Replay: 21 June 1983|}
|colspan="3" style="background-color:#97DEFF"|22 June 1983|-|colspan="3" style="background-color:#97DEFF"|24 June 1983|}
|colspan="3" style="background-color:#97DEFF"|26 July 1983|-|colspan="3" style="background-color:#97DEFF"|27 July 1983|}
|colspan="3" style="background-color:#97DEFF"|24 August 1983|}
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See main article: 1983 Norwegian Football Cup final.