2011–12 NLA season

The 2011–12 National League A season was the fifth ice hockey season of the National League A since the reorganization of the Swiss league. 12 teams participated in the league, which was won by EV Zug.

Playout
The bottom 4 teams of the National League A will compete in a losing team advances tournament to determine if they should stay in the League. The loser of this tournament will compete against the champions of the National League B to determine which league they will play in next season.

Playdowns
Ambrì-Piotta would later defeat SC Langenthal, Champions of the National League B, 4–1 to remain in the National League A