| Competition: | 2. divisjon |
| Season: | 1983 |
| Winners: | Fredrikstad (Group A) Molde (Group B) |
| Promoted: | Fredrikstad (Group A) Molde (Group B) Strindheim (Group B) |
| Relegated: | Vard (Group A) Djerv 1919 (Group A) Kopervik (Group A) Stjørdals-Blink (Group B) Aalesund (Group B) Bodø/Glimt (Group B) |
| Prevseason: | 1982 |
| Nextseason: | 1984 |
The 1983 2. divisjon was a Norway's second-tier football league season.
The league was contested by 24 teams, divided into two groups; A and B. The winners of group A and B were promoted to the 1984 1. divisjon.[1] The second placed teams met the 10th position finisher in the 1.divisjon in a qualification round where the winner was promoted to 1. divisjon. The bottom three teams inn both groups were relegated to the 3. divisjon.
Strindheim won the qualification round[2] and was promoted to the 1984 1. divisjon.