The 1982–83 OHL season was the third season of the Ontario Hockey League. Fifteen teams each played 70 games. The Oshawa Generals won the J. Ross Robertson Cup, defeating the Sault Ste. Marie Greyhounds. The Niagara Falls Flyers move to North Bay, Ontario, becoming the Centennials. The Guelph Platers are granted an expansion franchise.
Contents
First Round
Oshawa Generals defeat Belleville Bulls 3–0, 1 tie
Cornwall Royals defeat Toronto Marlboros 3–0, 1 tie
North Bay Centennials defeat Windsor Spitfires 3–0
Brantford Alexanders defeat London Knights 3–0
Quarter-Finals
Ottawa 67's defeat Cornwall Royals 4–0
Oshawa Generals defeat Peterborough Petes 4–0
Sault Ste. Marie Greyhounds defeat Brantford Alexanders 4–1
Kitchener Rangers defeat North Bay Centennials 4–1
Semi-Finals
Oshawa Generals defeat Ottawa 67's 4–1
Sault Ste. Marie Greyhounds defeat Kitchener Rangers 4–1
J. Ross Robertson Cup
Oshawa Generals defeat Sault Ste. Marie Greyhounds 4–0