1945-46 Eastern Canada Allan Cup Playoffs

Champions

 * Northern Ontario:	Timmins McIntyre Macmen
 * Ontario:		Hamilton Tigers
 * Ottawa:			Pembroke Lumber Kings
 * Quebec:			Montreal Royals
 * Maritimes:		Saint John Beavers

First Round
Best of 5

Hamilton Tigers beat Timmins McIntyre Macmen 3 games to 1.

Quarter Final
Best of 3

Hamilton Tigers beat Saint John Beavers 2 games to 1.

''Note: The Quebec Senior Hockey League had a long season so its playoffs were taking too long. It asked the Canadian Amateur Hockey Association for an extension which was granted. The Hamilton Tigers, instead of the Quebec champion, played the Pembroke Lumber Kings.''

Semi Final
Best of 3

Hamilton Tigers beat Pembroke Lumber Kings 2 games to none.

Final
Best of 5

Hamilton Tigers beat Montreal Royals 3 games to none.

Hamilton Tigers advanced to the 1945-46 Allan Cup Final.