1948-49 Manitoba Senior A Playoffs

The Manitoba Amateur Hockey Association instructed Manitoba's only Senior A team, the Winnipeg Nationals to playoff against the province's Senior B Champion in the best of 5 series. Winnipeg AAA won the 1948-49 Manitoba Senior B Playoffs Championship. The Nats played in the Manitoba-Thunder Bay League.

Winnipeg Nationals won the Pattison Cup and advanced to the 1948-49 Western Canada Allan Cup Playoffs Manitoba Senior AAA Hockey History