1965-66 OHA Intermediate B Playoffs

These are the 1965-66 Ontario Hockey Association's Intermediate B playoffs:

Participating teams were decided in the 1965-66 OHA Intermediate B Groups play.

Quarter Finals
Best of 5


 * Seaforth beat Port Dover 3 wins to none.

Semi Finals
Best of 7


 * Uxbridge beat Picton 4 wins to 2.
 * Seaforth beat Hespeler

Final
Best of 7


 * Seaforth 8 Uxbridge 5
 * Seaforth 7 Uxbridge 6
 * Seaforth 8 Uxbridge 5
 * Seaforth 8 Uxbridge 5

Seaforth beat Uxbridge 4 wins to none.