1977–78 Nationale B season

The 1977-78 Nationale B season was the 45th season of the Nationale B, the second level of ice hockey in France. Français Volants won the championship and earned promotion to the Ligue Magnus, while Club des patineurs lyonnais earned a spot in the promotion round.

Relegation round

 * Avingnon Hockey Club - Image Club d'Épinal 4:3, 7:2

Avignon avoided relegation to the 2e série.