1926-27 Thunder Bay Senior Playoffs

The Winnipeg Winnipegs joined this league after being refused entry to the Manitoba Senior League. The Canadian Amateur Hockey Association threatened to suspend the team and the Thunder Bay teams unless the Winnipegs left. They did finally on January 6.

Final
Best of 3

Fort William beat Port Arthur 2 wins to none.

Fort William advanced to the 1926-27 Western Canada Allan Cup Playoffs.