1990–91 Swiss 1. Liga
| Season | 1990–91 |
|---|---|
| Champions | Group 1: Martigny-Sports Group 2: Colombier Group 3: Solothurn Group 4: Brüttisellen |
| Promoted | Châtel-Saint-Denis Delémont Brüttisellen |
| Relegated | Group 1: Vevey Sports Jorat-Mezieres Group 2: Le Locle Breitenbach Group 3: Beauregard Fribourg Brugg Nordstern Group 4: Einsiedeln Kilchberg |
| Matches played | 4 times 182 and 4 deciders plus 13 play-offs and 4 play-outs |
← 1989–90 1991–92 → | |
The 1990–91 Swiss 1. Liga was the 59th season of this league since its creation in 1931. At this time, the 1. Liga was the third tier of the Swiss football league system and it was the highest level of amateur football.