|   | |
| Sport | Basketball | 
|---|---|
| Founded | 1994 | 
| No. of teams | 16 | 
| Country | Switzerland | 
| Continent | FIBA Europe (Europe) | 
| Most recent champion(s) | Bären Kleinbasel (1st title) (2024–25) | 
| Most titles | Vevey Riviera (4 titles) | 
| Level on pyramid | 2nd Tier (Switzerland) | 
| Promotion to | SBL | 
| Relegation to | 1LN | 
| Domestic cup(s) | Swiss Cup | 
| Official website | www | 
Championnat Lige Nationale B [1] (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.
| Season | Champions | 
|---|---|
| 2024–25 | Bären Kleinbasel | 
| 2023–24 | GC Zurich | 
| 2022–23 | Pully Basket | 
| 2021–22 | Vevey Riviera (4) | 
| 2020–21 | Goldcoast Wallabies | 
| 2019–20 | No champion due to the coronavirus pandemic | 
| 2018–19 | BBC Nyon | 
| 2017–18 | Villars Basket | 
| 2016–17 | Vevey Riviera (3) | 
| 2015–16 | Lausanne (2) | 
| 2014–15 | BC Alte Kanti Aarau | 
| 2013-14 | Lausanne | 
| 2012-13 | BC Alte Kanti Aarau | 
| 2011-12 | BC Alte Kanti Aarau | 
| 2010-11 | Colas Bernex Basket | 
| 2009-10 | Poly-Rapid Zürich Wildcats | 
| 2008-09 | Martigny-Rhône Basket | 
| 2007-08 | SAM Massagno | 
| 2006-07 | SAV Vacallo (3) | 
| 2005-06 | Vevey Riviera (2) | 
| 2004-05 | SAV Vacallo | 
| 2003-04 | Hérens Basket | 
| 2002-03 | Union Neuchâtel | 
| 2001-02 | Morges Basket | 
| 2000-01 | Carouge Basket | 
| 1999-00 | Chêne Basket | 
| 1998-99 | Renens Basket | 
| 1997-98 | BCK KZO Wetzikon | 
| 1996-97 | Blonay Basket | 
| 1995-96 | Genève Basket | 
| 1994-95 | SAV Vacallo |