The Ontario Tankard is the Southern Ontario provincial championship for men's curling. The winner represents Team Ontario at the Tim Hortons Brier. Listed below are the list of Ontario's representatives at the Brier that year. Brier champions indicated in bold. From 1927 to 1931, the Toronto area also sent a team to the Brier. The tournament is overseen by the Ontario Curling Association. The event is sponsored by Travelers.
The 2017 Ontario Tankard will be hosted by the West Northumberland Curling Club in Cobourg, ON, January 29-February 5, 2017.
Northern Ontario has its own provincial championship, known as the Dominion of Canada Northern Ontario Men's Curling Championship.
The Tankard consists of 11 teams. The defending provincial champions get the first berth. Then, eight of the teams qualify through regional playdowns (2 from each region) and the remaining 2 come from a challenge round. Each regional playdown themselves consist of eight teams, two from each zone of which each region has four of. Zone playdowns can have an unlimited number of teams.
During the Tankard, each team plays each other team once. The top four teams make the playoffs, in which the page playoff system is used.
January 30-February 5 at the Cobourg Community Centre in Cobourg.
February 1-7 at the Wayne Gretzky Sports Centre in Brantford
February 2–8 at the Flightexec Centre in Dorchester
January 27-February 2 at the Smiths Falls Memorial Community Centre in Smiths Falls
February 4–10 at the Barrie Molson Centre in Barrie