This is the 1956-57 season of the Ontario Hockey Association's Intermediate A series:
Group winners advanced to the 1956-57 OHA Intermediate A Playoffs.
Southwestern Group
Semi Final
Round Robin
Dresden Lumber Kings 3-1-0-6 21-13 Ridgetown East Kents 2-2-0-4 23-26 Wallaceburg Electric 1-3-0-2 15-20
Final
Best of 5
- Dresden 5 Ridgetown 4
- Dresden 6 Ridgetown 4
- Dresden 10 Ridgetown 3
Dresden Lumber Kings beat Ridgetown East Kents 3 wins to none.
Western Group
Semi Final
Round Robin
Tilsonburg Pan Drieds 3-0-0-6 28-11 Aylmer Trojans 1-2-0-2 23-17 Paris Merchants 0-2-0-0 6-29
Paris Merchants dropped out.
Final
Best of 7
- Tilsonburg 6 Aylmer 6
- Tilsonburg 6 Aylmer 1
- Tilsonburg 4 Aylmer 2
- Tilsonburg 8 Aylmer 4
- Tilsonburg 5 Aylmer 3
Tilsonburg Pan Drieds beat Aylmer Trojans 4 wins to none, 1 tie.
Lakeshore Group
Semi Finals
Best of 7
Lakefield Lumbermen beat Coburg Lumber Kings 4 wins to 1.
Bowmanville-Oro Combines beat Lindsay Regents 4 wins to 3, 1 tie.
Final
Best of 7
Bowmanville-Oro Combines beat Lakefield Lumbermen 4 wins to 1.