1970-71 NLA season

The 1970-71 NLA season was the thirty-first season of the Nationalliga A.

Championship Playoffs
In this round, HC La Chaux-de-Fonds received three extra points for finishing first in the regular season; Geneve-Servette HC received two points for finishing second, and EHC Kloten recived one for finishing third.

HC La Chaux-de-Fonds won the championship.

Relegation Playoffs
In this round, SC Langanu received two extra points for being the top team in the regular season; Zurich SC received one point for being the second place team.

Zurich SC is demoted to the Nationalliga B for the 1971-72 season.

HC Lugano, the champion of the Nationalliga B, is promoted to the Nationalliga A for 1971-72.