2018-19 OHL Season

This is the 2018-19 Ontario Hockey League season. This is the league's 49th season dating back to its' founding as the Ontario Major Junior Hockey League.

There are currently 20 teams in the OHL; 16 are based in the Canadian province of Ontario,three teams in the American state of Michigan and one team in the American state of Pennsylvania. Out of the 18 teams based in Ontario, 15 teams are in Southern Ontario, and 3 teams are in Northern Ontario.

The 20 OHL clubs play a 68 game unbalanced schedule, which starts in the third full week of September, running until the third week of March. Ninety per cent (90%) of OHL games are scheduled between Thursday and Sunday to minimize the number of school days missed for its players. Ninety-five per cent (95%) of the players in the league are attending high school or college.

Franchise changes
none, but the Kingston Frontenacs and Mississauga Steelheads arenas are renamed in new naming rights deals commencing July 1, 2018.

2019 J. Ross Robertson Cup Playoffs
The J. Ross Robertson Cup playoffs consist of 16 teams, the top 8 from each conference. The teams play a best-of-seven game series, and the winner of each series advances to the next round. The Eastern Conference champion is awarded the Bobby Orr Trophy and the Western Conference champion is awarded the Wayne Gretzky Trophy. The two conference champions compete for the J. Ross Robertson Cup and a berth in the 2019 Memorial Cup being held at the Scotiabank Centre in Halifax, Nova Scotia from May 17 to 26, 2019 hosted by the Halifax Mooseheads of the Quebec Major Junior Hockey League.

East Quarterfinals

 * Ottawa 67's defeated Hamilton Bulldogs 4 games to none
 * Niagara IceDogs defeated North Bay Battalion 4 games to 1
 * Oshawa Generals defeated Peterborough Petes 4 games to 1
 * Sudbury Wolves defeated Mississauga Steelheads 4 games to none

West Quarterfinals

 * London Knights defeated Windsor Spitfires 4 games to none
 * Saginaw Spirit defeated Sarnia Sting 4 games to none
 * Sault Ste. Marie Greyhounds defeated Owen Sound Attack 4 games to 1
 * Guelph Storm defeated Kitchener Rangers 4 games to none

East Semifinals

 * Ottawa 67's defeated Sudbury Wolves 4 games to none
 * Oshawa Generals defeated Niagara IceDogs 4 games to 2

West Semifinals

 * Saginaw Spirit defeated Sault Ste. Marie Greyhounds 4 games to 2
 * Guelph Storm defeated London Knights 4 games to 3

East Final

 * Ottawa 67's defeated Oshawa Generals 4 games to none

West Final

 * Guelph Storm defeated Saginaw Spirit 4 games to 3

J. Ross Robertson Cup Final

 * Guelph Storm defeated Ottawa 67's 4 games to 2

Nick Suzuki of the Guelph Storm was named winner of the Wayne Gretzky 99 Award as playoffs Most Valuable Player.