The 1930–31 Swiss International Ice Hockey Championship was the 16th edition of the international ice hockey championship in Switzerland. HC Davos won the championship by defeating HC Rosey Gstaad in the final.
First round
Eastern Series
Group 1
Since EHC Arosa opted not to participate, only one game was played in Group 1. EHC St. Moritz- Lyceum Zuoz 6:0
Group 2
Semifinals
Zürcher SC - Akademischer EHC Zürich 4:3
HC Davos - Akademischer EHC Zürich 5:0 Forfeit
Final
HC Davos - Zürcher SC 11:1
Eastern Final
HC Davos - EHC St. Moritz
Western Series
Semifinals
Lycée Jaccard - HC Chateaux-d'Oex 2:0
HC Rosey Gstaad - Star Lausanne 11:0
3rd place game
HC Chateaux-d'Oex - Star Lausanne 6:1
Final
HC Rosey Gstaad-Lycée Jaccard 8:1
HC Rosey Gstaad qualified for the final.