1969-70 NLA season

The 1969-70 NLA season was the thirtieth 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 HC Sierre recived one for finishing third.

HC La Chaux-de-Fonds won the championship.

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

SC Berne is demoted to the Nationalliga B for the 1970-71 season.

HC Ambri-Piotta, the champion of the Nationalliga B, is promoted to the Nationalliga A for 1970-71.