1954-55 Thunder Bay Senior Playoffs

Teams

 * Fort Frances Canadians
 * Port Arthur Bearcats
 * Fort William Beavers

Semi final
Best of 5

Fort Frances Canadians beat Port Arthur Bearcats.

Final
Best of 7


 * Fort William 5 Fort Frances 4
 * Fort William 9 Fort Frances 4
 * Fort William 8 Fort Frances 1
 * Fort William 5 Fort Frances 2

Fort William Beavers beat Fort Frances Canadians 4 wins to none.

Fort William Beavers advanced to the 1954-55 Western Canada Allan Cup Playoffs.