1966 Norwegian First Division
The 1965 1. divisjon was the 22nd completed season of top division football in Norway.
Overview
It was contested by 10 teams, and Skeid won the championship, their first title. Both newcomers, Lisleby and Hødd, were relegated back to the 2. divisjon.Teams and locations
| Team | Location | |
| Fredrikstad | 21 | Fredrikstad |
| Frigg | 11 | Oslo |
| Hødd | 1 | Ulsteinvik |
| Lisleby | 7 | Fredrikstad |
| Lyn | 14 | Oslo |
| Odd | 17 | Skien |
| Sarpsborg FK | 16 | Sarpsborg |
| Skeid | 20 | Oslo |
| Steinkjer | 8 | Steinkjer |
| Vålerengen | 17 | Oslo |