1. Liga Classic
| Founded | 1931 |
|---|---|
| Country | Switzerland |
| Other club(s) from | Liechtenstein |
| Confederation | UEFA |
| Number of clubs | 48 (in 3 groups of 16) |
| Level on pyramid | 4 |
| Promotion to | Promotion League |
| Relegation to | 2nd League Interregional |
| Domestic cup(s) | Swiss Cup |
| Current champions | Lausanne-Sport IIGrasshopper Club IIFC Kreuzlingen (2024–25) |
| Current: 2025–26 1. Liga Classic | |
1. Liga Classic (1st League Classic in English) is the fourth tier of the Swiss football league system. At its creation in 1931, the fourth tier of Swiss football was called 3. Liga. The league is operated by a subdivision of the Swiss Football Association called Erste Liga. It is split into 3 groups of 16 teams, by geographical region.