1939-40 Eastern Canada Allan Cup Playoffs

Quarter Finals
Best of 5

Kirkland Lake Blue Devils beat Toronto Goodyears 3 games to none, 1 tie.

Sydney Millionaires beat Hull Volants 3 games to none.

Semi Final
Best of 3

Kirkland Lake Blue Devils beat Sydney Millionaires 2 games to 1, 1 tie.

Final
Best of 5

Kirkland Lake Blue Devils beat Montreal Royals 3 games to none.

Kirkland Lake Blue Devils advanced to the 1939-40 Allan Cup Final.