These are the 1956-57 OHA Cup playoffs, for the Ontario Hockey Association's Junior D championship:
Quarter Final[]
Best of 5
- Elmira 7 Acton 2
- Acton 10 Elmira 2
- Acton 4 Elmira 0
- Acton 8 Elmira 2
Acton beat Elmira 3 wins to 1.
Semi Finals[]
Best of 7
- Chesley 7 Acton 2
- Chesley 10 Acton 5
- Chesley 9 Acton 2
- Chesley 9 Acton 2
Chesley beat Acton 4 wins to none.
Best of 5
Alliston beat Wellington 3 wins to none.
Final[]
Best of 7
Chesley beat Alliston 4 wins to 1 (5:3, 8:3, 4:3, 3:5, 6:3)