Challenge League (Switzerland)
| Founded | 1898 as Swiss Serie B 1944 as Nationalliga B |
|---|---|
| Country | Switzerland (9 teams) |
| Other club(s) from | Liechtenstein (1 team) |
| Confederation | UEFA |
| Number of clubs | 10 |
| Level on pyramid | 2 |
| Promotion to | Super League |
| Relegation to | Promotion League |
| Domestic cup(s) | Swiss Cup |
| Current champions | Thun (2024–25) |
| Website | sfl.ch/challengeleague |
| Current: 2025–26 Challenge League | |
The Challenge League (known as the Dieci Challenge League for sponsorship reasons) is the second-highest tier of the Swiss football league system and lower of two professional leagues in the country. Ten teams play in the Challenge League; the winners of the league are promoted to the Super League, while the bottom-placed team is relegated to the Promotion League.