2005–06 Swiss 1. Liga
| Season | 2005–06 |
|---|---|
| Champions | Group 1: Servette Group 2: Biel-Bienne Group 3: Tuggen |
| Promoted | Servette Delémont |
| Relegated | Group 1: Signal Bernex Grand-Lancy Group 2: Schötz Buochs Group 3: Altstetten Frauenfeld |
| Matches played | 720 + 12 |
← 2004–05 2006–07 → | |
The 2005–06 Swiss 1. Liga was the 74th season of this league and was, at this time, the third tier of the Swiss football league system. The 1. Liga was the highest level of amateur football, although an ever-increasing number of teams had professional or semi-professional players in their ranks, this also included the U-21 teams, the eldest youth teams of the professional clubs.