1984–85 Nationalliga A season
The 1984/85 season was the 47th regular hosting of the National League A, the top Swiss league in hockey. For a total of 25 times in their history of HC Davos was Swiss champion, while the EHC Chur and the SC Langnau descended into the NLB.
Mode
In a joint main round played each of the eight teams in four games against each group opponent, bringing the total number of matches per team was 28. The top six teams qualified for the final round, in which the Master was played, with half of the items were taken from the main round. The two last placed athlete had to compete for the league in the relegation with the six best teams in the NLB. For a win, each team was given two points, a draw one point. At a loss to give any points.