1966 Norwegian Second Division
| Season | 1966 |
|---|---|
| Champions | Strømsgodset (Group A) Rosenborg (Group B) |
| Promoted | Strømsgodset Rosenborg |
| Relegated | Sandefjord Lillestrøm Baune Falken |
← 1965 1967 → | |
The 1966 2. divisjon was a Norwegian second-tier football league season.
The league was contested by 16 teams, divided into two groups; A and B. The winners of group A and B were promoted to the 1967 1. divisjon. The two lowest placed teams in both groups were relegated to the 3. divisjon.