1940-41 Thunder Bay Junior Playoffs

Semi Final
Best of 3


 * West End 8 Rangers 5
 * West End 6 Rangers 2

Port Arthur West End beat Fort William Hurricanes-Rangers 2 wins to none.

Final
Best of 5


 * Juniors 4 West End 0
 * West End 7 Juniors 5
 * Juniors 7 West End 2
 * Juniors 6 West End 3

Port Arthur Juniors beat Port Arthur West End 3 wins to 1.

Independent team
Geraldton Gold Miners

Regional final
Best of 3


 * Port Arthur 14 Geraldton 2
 * Port Arthur 7 Geraldton 2

Port Arthur Juniors' beat Geraldton Gold Miners 2 wins to none. Port Arthur Juniors advanced to the 1940-41 Western Canada Memorial Cup Playoffs.