2015–16 OHL season

The 2015–16 OHL season was the 36th season of the Ontario Hockey League, in which twenty teams played 68 games each according to the regular season schedule, from September 2015 to March 2016. The Plymouth Whalers relocated to Flint and became the Flint Firebirds, playing at the Dort Federal Credit Union Event Center. The Belleville Bulls relocated to Hamilton and became the Hamilton Bulldogs, playing at FirstOntario Centre. The London Knights won the J. Ross Robertson Cup for the fourth time in franchise history, as they defeated the Niagara IceDogs in four games in the final round of the playoffs. The Knights qualified for the 2016 Memorial Cup held at the ENMAX Centrium in Red Deer, Alberta. London defeated the Rouyn-Noranda Huskies 3-2 in overtime in the final game, winning the Memorial Cup for the second time in franchise history.

Final standings
Note: DIV = Division; GP = Games played; W = Wins; L = Losses; OTL = Overtime losses; SL = Shootout losses; GF = Goals for; GA = Goals against; PTS = Points; x = clinched playoff berth; y = clinched division title; z = clinched conference title

Scoring leaders
Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalty minutes

Leading goaltenders
Note: GP = Games played; Mins = Minutes played; W = Wins; L = Losses: OTL = Overtime losses; SL = Shootout losses; GA = Goals Allowed; SO = Shutouts; GAA = Goals against average

Playoff scoring leaders
Note: GP = Games played; G = Goals; A = Assists; Pts = Points; PIM = Penalty minutes

Playoff leading goaltenders
Note: GP = Games played; Mins = Minutes played; W = Wins; L = Losses: OTL = Overtime losses; SL = Shootout losses; GA = Goals Allowed; SO = Shutouts; GAA = Goals against average

All-Star teams
The OHL All-Star Teams were selected by the OHL's General Managers.

First team

 * Christian Dvorak, Centre, London Knights
 * Matthew Tkachuk, Left Wing, London Knights
 * Mitch Marner, Right Wing, London Knights
 * Mikhail Sergachev, Defence, Windsor Spitfires
 * Rasmus Andersson, Defence, Barrie Colts
 * Mackenzie Blackwood, Goaltender, Barrie Colts
 * Kris Knoblauch, Coach, Erie Otters

Second team

 * Mike Amadio, Centre, North Bay Battalion
 * Andrew Mangiapane, Left Wing, Barrie Colts
 * Kevin Labanc, Right Wing, Barrie Colts
 * Travis Dermott, Defence, Erie Otters
 * Jakob Chychrun, Defence, Sarnia Sting
 * Devin Williams, Goaltender, Erie Otters
 * Rocky Thompson, Coach, Windsor Spitfires

Third team

 * Dylan Strome, Centre, Erie Otters
 * Alexander Nylander, Left Wing, Mississauga Steelheads
 * Alex DeBrincat, Right Wing, Erie Otters
 * Olli Juolevi, Defence, London Knights
 * Roland McKeown, Defence, Kingston Frontenacs
 * Alex Nedeljkovic, Goaltender, Niagara IceDogs
 * Mike Van Ryn, Coach, Kitchener Rangers

2016 OHL Priority Selection
On April 9, 2016, the OHL conducted the 2016 Ontario Hockey League Priority Selection. The Guelph Storm held the first overall pick in the draft, and selected Ryan Merkley from the Toronto Jr. Canadiens of the GTHL. Merkley was awarded the Jack Ferguson Award, awarded to the top pick in the draft.

Below are the players who were selected in the first round of the 2016 Ontario Hockey League Priority Selection.

2016 NHL Entry Draft
On June 24–25, 2016, the National Hockey League conducted the 2016 NHL Entry Draft held at the First Niagara Center in Buffalo, New York. In total, 48 players from the Ontario Hockey League were selected in the draft. Olli Juolevi of the London Knights was the first player from the OHL to be selected, as he was taken with the fifth overall pick by the Vancouver Canucks.

Below are the players selected from OHL teams at the NHL Entry Draft.

2016 CHL Import Draft
On June 28, 2016, the Canadian Hockey League conducted the 2016 CHL Import Draft, in which teams in all three CHL leagues participate in. The Guelph Storm held the first pick in the draft by a team in the OHL, and selected Dmitri Samorukov from Russia with their selection.

Below are the players who were selected in the first round by Ontario Hockey League teams in the 2016 CHL Import Draft.