These are the 1966-67 playoffs for the OHA Cup, which was the Ontario Hockey Association's Junior D championship:
Quarter Final[]
Best of 7
- Mitchell 8 Delhi 3
- Delhi 9 Mitchell 4
- Mitchell 9 Delhi 3
- Mitchell 9 Delhi 2
- Delhi 7 Mitchell 5
- Mitchell 5 Delhi 3
Mitchell beat Delhi Rockets 4 wins to 2.
Semi Finals[]
Best of 5
- Mitchell 7 Alvinston 4
- Mitchell 11 Alvinston 2
- Mitchell 11 Alvinston 8
Mitchell beat Alvinston 3 wins to none.
Best of 7
Tweed-Madoc Twins beat Bobcaygeon Ti-Cats 4 wins to 1.
Final[]
Best of 7
- Tweed-Madoc 4 Mitchell 3
- Tweed-Madoc 12 Mitchell 4
- Mitchell 8 Tweed-Madoc 5
- Tweed-Madoc 5 Mitchell 4
- Tweed-Madoc 6 Mitchell 4
Tweed-Madoc Twins beat Mitchell 4 wins to 1.