1986 Norwegian First Division
| Season | 1986 |
|---|---|
| Dates | 27 April – 19 October |
| Champions | Lillestrøm 4th title |
| Relegated | Viking Strømmen |
| European Cup | Lillestrøm |
| UEFA Cup | Mjøndalen |
| Cup Winners' Cup | Tromsø |
| Matches played | 132 |
| Goals scored | 352 (2.67 per match) |
| Top goalscorer | Arve Seland (12 goals) |
| Biggest home win | Mjøndalen 4–0 Kongsvinger (7 June 1986) Viking 4–0 Strømmen (5 October 1986) Start 6–2 Tromsø (19 October 1986) |
| Biggest away win | Molde 0–4 Start (4 May 1986) |
| Highest scoring | Viking 6–4 Ham-Kam (7 September 1986) |
| Highest attendance | 28,569 Rosenborg 3–2 Tromsø (16 May 1986) |
| Lowest attendance | 202 Strømmen 1–2 Mjøndalen (19 October 1986) |
| Average attendance | 3,261 24.3% |
← 1985 1987 → | |
The 1986 1. divisjon was the 42nd completed season of top division football in Norway. The season began on 27 April 1986 and ended on 19 October 1986.
22 games were played with 2 points given for wins and 1 for draws. Number eleven and twelve were relegated. The winners of the two groups of the 2. divisjon were promoted, as well as the winner of a series of play-off matches between the two second-placed teams in the two groups of the 2. divisjon and number ten in the 1. divisjon.
Lillestrøm SK won the league, after a slow start but later 11 consecutive wins. It was Lillestrøm's fourth title. Viking and Strømmen were relegated to the 2. divisjon. The league had low attendances this year.