1965-66 OHA Junior A Season

This is the 1965-66 season of the Ontario Hockey Association's Junior A series:

Quarter Finals
Best of 7

Toronto Marlboros beat Peterborough Petes 4 wins to 2.

Montreal Junior Canadiens beat Hamilton Red Wings 3 wins to none, 2 ties.

Kitchener Rangers beat Niagara Falls Flyers 3 wins to 1, 2 ties.

Oshawa Generals beat St. Catharines Black Hawks 4 wins to 3.

Semi Finals
Best of 7

Oshawa Generals beat Montreal Junior Canadiens 4 wins to 1.

Kitchener Rangers beat Toronto Marlboros 4 wins to 3, 1 tie.

Final
 Best of 7

Oshawa Generals beat Kitchener Rangers 4 wins to 1.

Oshawa Generals advanced to the 1965-66 Eastern Canada Memorial Cup Playoffs.

First All-Star Team

 * Goaltender: Ian Young, Oshawa Generals
 * Defenceman: Bobby Orr, Oshawa Generals
 * Defenceman: Jim McKenny, Toronto Marlboros
 * Centre: Andre Lacroix, Peterborough Petes
 * Left Winger: Danny Grant, Peterborough Petes
 * Right Winger: Mickey Redmond, Peterborough Petes

Second All-Star Team

 * Goaltender: (tie) Rocky Farr, London Nationals, Brian Caley, Peterborough Petes, Bob Ring, Niagara Falls Flyers
 * Defenceman: Serge Savard, Montreal Junior Canadiens
 * Defenceman: Bart Crashley, Hamilton Red Wings
 * Centre: Derek Sanderson, Niagara Falls Flyers
 * Left Winger: Don Marcotte, Niagara Falls Flyers
 * Right Winger: Jean Pronovost, Niagara Falls Flyers