The 2010–11 OHL season was the 31st season of the Ontario Hockey League (OHL). Twenty teams, divided into the Eastern and Western Conferences, played 68 games each during the regular season schedule, which started on September 23, 2010 and ended on March 20, 2011. The playoffs began on March 24, 2011 and ended on May 15, 2011, with the Owen Sound Attack winning the J. Ross Robertson Cup, and a berth in the 2011 Memorial Cup, hosted by the Mississauga St. Michael's Majors of the OHL in Mississauga, Ontario.

Regular season

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

Eastern conference

Western conference

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

Playoffs

Conference quarterfinals

Eastern conference

(1) Mississauga Majors vs. (8) Belleville Bulls

(2) Ottawa 67's vs. (7) Sudbury Wolves

(3) Niagara IceDogs vs. (6) Brampton Battalion

(4) Oshawa Generals vs. (5) Kingston Frontenacs

Western conference

(1) Owen Sound Attack vs. (8) London Knights

(2) Saginaw Spirit vs. (7) Guelph Storm

(3) Kitchener Rangers vs. (6) Plymouth Whalers

(4) Windsor Spitfires vs. (5) Erie Otters

Conference semifinals

Eastern conference

(1) Mississauga Majors vs. (7) Sudbury Wolves

(3) Niagara IceDogs vs. (4) Oshawa Generals

Western conference

(1) Owen Sound Attack vs. (6) Plymouth Whalers

(2) Saginaw Spirit vs. (4) Windsor Spitfires

Conference finals

Eastern conference

(1) Mississauga Majors vs. (3) Niagara IceDogs

Western conference

(1) Owen Sound Attack vs. (4) Windsor Spitfires

J. Ross Robertson Cup

(E1) Mississauga Majors vs. (W1) Owen Sound Attack

J. Ross Robertson Cup Champions Roster

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; GA = Goals Allowed; SO = Shutouts; SV& = Save percentage; GAA = Goals against average

All-Star teams

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

First team

Second team

Third team

Awards

2011 OHL Priority Selection

On May 7, 2011, the OHL conducted the 2011 Ontario Hockey League Priority Selection. The Barrie Colts held the first overall pick in the draft, and selected Aaron Ekblad from the Sun County Panthers. Ekblad 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 2011 Ontario Hockey League Priority Selection.

2011 NHL Entry Draft

On June 24–25, 2011, the National Hockey League conducted the 2011 NHL Entry Draft held at the Xcel Energy Center in St. Paul, Minnesota. In total, 46 players from the Ontario Hockey League were selected in the draft. Gabriel Landeskog of the Kitchener Rangers was the first player from the OHL to be selected, as he was taken with the second overall pick by the Colorado Avalanche. Below are the players selected from OHL teams at the NHL Entry Draft.

2011 CHL Import Draft

On June 27, 2011, the Canadian Hockey League conducted the 2011 CHL Import Draft, in which teams in all three CHL leagues participate in. The London Knights held the first pick in the draft by a team in the OHL, and selected Olli Maatta from Finland with their selection. Below are the players who were selected in the first round by Ontario Hockey League teams in the 2011 CHL Import Draft.