1949-50 Nationalliga B season

The 1949-50 Nationalliga B season was the third season of the league as the second-level of Swiss ice hockey. HC Ambri-Piotta won the championship and qualified for the National League A's relegation round.

Group tiebreaker

 * EHC Basel II 4 - EHC Visp 1

Final round
HC Ambri-Piotta finished first.