1945-46 Thunder Bay Junior Playoffs

Semi Final
Best of 3


 * West End 10 Columbus Club 6
 * West End 13 Columbus Club 8

Port Arthur West End Bruins beat Fort William Columbus Club 2 wins to none.

Final
Best of 3


 * Flyers 11 West End 4
 * Flyers 6 West End 4
 * West End 6 Flyers 5
 * Flyers 5 West End 5
 * Flyers 5 West End 2

Port Arthur Flyers beat Port Arthur West End Bruins 3 wins to 1, 1 tie.

Port Arthur Flyers advanced to the 1945-46 Western Canada Memorial Cup Playoffs.