2016–17 National League B season

The 2016–17 National League B season is the 70th ice hockey season of Switzerland's second tier hockey league, the National League B.

HC Ajoie is the defending champions as they have not handed in their application for a promotion to this year's NLA season.

Regular season
The regular season started on 9 September 2016 and ended on 12 February 2017.

HC Ambrì-Piotta vs. SC Langenthal
 Series tied 0–0