1941-42 Northern Ontario Junior B Playoffs

Semi Final
Best of 3


 * North Bay 5 Copper Cliff 4
 * Copper Cliff 6 North Bay 3
 * Copper Cliff 5 North Bay 4

Copper Cliff Redmen beat North Bay Trappers 2 wins to 1.

Final
Best of 3


 * Sault Ste Marie 3 Copper Cliff 2
 * Sault Ste Marie 9 Copper Cliff 3

Sault Ste. Marie Rapids beat Copper Cliff Redmen 2 wins to none.

Semi Final

 * McIntyre 4 Timmins 1
 * Second game missing

McIntyre Miners beat Timmins Canadiens.

Final
2 games total goals


 * McIntyre 4 Kapuskasing 1
 * McIntyre 12 Kapuskasing 4

McIntyre Mines beat Kapuskasing 16 goals to 5.

Regional Final
Best of 3


 * Sault Ste Marie 5 McIntyre 3
 * Sault Ste Marie 4 McIntyre 1

Sault Ste. Marie Rapids beat McIntyre Mines 2 wins to 1.

The Sault Ste. Marie Rapids advanced to the 1942 NOHA-OHA Junior B Championship.