1956–57 Nationalliga B season

The 1956-57 Nationalliga B season was the 10th season of the league as the second-level of Swiss ice hockey. Lausanne HC won the championship and qualified for the National League A's relegation round.

Final round

 * Lausanne HC 7 - EHC St. Moritz 3
 * Lausanne HC 7 - SC Bern 5