|Current season, competition or edition:|
2017–18 Championnat LNB season
|No. of teams||12|
|Continent||FIBA Europe (Europe)|
|BC Alte Kanti Aarau|
|Level on pyramid||2nd Tier (Switzerland)|
|Domestic cup(s)||Swiss Cup|
Championnat LNB (Ligue Nationale B) is the second-tier level professional club basketball league in Switzerland. It is organized by Swiss Basketball.
The professional Swiss Basketball association is divided into two championships, the top-tier level SBL, and the 2nd-tier level LNB, with a system of promotion and relegation between them.