1918-19 Thunder Bay Senior Playoffs

The 1918-19 Thunder Bay Senior Playoffs were won by the Port Arthur Columbus Club. They lost to the Manitoba champions, Selkirk in the final of the 1918-19 Western Canada Allan Cup Playoffs, 23 goals to 8 (13-5, 10-3)  in a two games total goal series.

No further information is available on the Thunder Bay District Playoffs itself.