These are the 1966-67 playoffs for the Northern Ontario intermediate championship:
Intermediate A[]
- First round
Best of 5
- North Bay Delmar Garlands - Sturgeon Falls Allaire 3 games to none (12-5, 5-2, 13-7)
- Quarterfinals
Best of 3
- Sault Ste. Marie Comets - Sudbury 2 games to none (3-2, 9-2)
Best of 5
- North Bay Delmar Garlands - Temiscaming Ray's Esso Flyers 3 games to none (8-2, 9-2, 9-4)
- Semifinals
Best of 5
- North Bay Delmar Garlands - Sault Ste. Marie Comets (5-6, Sault left North Bay after the first game as they wanted to play the second on Sunday morning rather than Sunday evening, and the series was awarded to North Bay by default)
- Final
Best of 5
- Kapuskasing GM's - North Bay Delmar Garlands 3 games to 1 (14-0, 3-8, 13-3, 14-1)
Kapuskasing advanced to the 1966-67 Eastern Canada Intermediate Playoffs.