1958-59 Eastern Canada Allan Cup Playoffs

Champions

 * Northern Ontario: Iroquois Falls Abitibi Eskimos
 * Ontario-Northern Ontario: Kitchener-Waterloo Dutchmen
 * Eastern Ontario: Whitby Dunlops
 * Ottawa: Hull Legion
 * Quebec: Montreal St Vincent de Paul
 * Maritimes: Miramichi Beavers

Quarter Finals
Best of 5

Kitchener-Waterloo Dutchmen beat Iroquois Falls Abitibi Eskimos 3 games to none, 1 tie.

Hull Legion beat Miramichi Beavers 3 games to 1.

Semi Finals
Best of 7

Whitby Dunlops beat Kitchener-Waterloo Dutchmen 4 games to 1.

Best of 3

Hull Legion beat Montreal St Vincent de Paul 2 games to 1.

Final
Best of 3

Whitby Dunlops beat Hull Legion 2 games to none.

Whitby Dunlops advanced to the 1958-59 Allan Cup Final.