| Season | 1975 |
|---|---|
| Dates | 27 April – 19 October |
| Champions | Viking 5th title |
| Relegated | Skeid Vålerengen Os |
| European Cup | Viking |
| UEFA Cup | Brann Start |
| Matches played | 132 |
| Goals scored | 336 (2.55 per match) |
| Top goalscorer | Arne Dokken (18 goals) |
| Biggest home win | Viking 6–0 Fredrikstad (8 May 1975) |
| Biggest away win | Fredrikstad 2–6 Rosenborg (28 July 1975) |
| Highest scoring | Fredrikstad 2–6 Rosenborg (28 July 1975) |
| Longest winning run | Mjøndalen (6 games) |
| Longest unbeaten run | Brann (9 games) |
| Longest winless run | Os (22 games) |
| Longest losing run | Os (10 games) |
| Highest attendance | 16,516 Start 0–1 Viking (31 August 1975) |
| Lowest attendance | 1,183 Skeid 2–2 Molde (19 October 1975) |
| Average attendance | 6,772  17.8% |
← 1974 1976 → | |
The 1975 1. divisjon was the 31st completed season of top division football in Norway.