Western Ontario Hockey League

The Ontario Hockey Association (OHA) is the governing body for the majority of junior and senior level ice hockey teams in the Province of Ontario. The OHA is sanctioned by the Ontario Hockey Federation along with the Northern Ontario Hockey Association. Other Ontario sanctioning bodies along with the OHF include the Hockey Eastern Ontario and Hockey Northwestern Ontario. The OHA control 3 tiers of junior hockey; the "Tier 2 Junior "A", Junior "B", Junior "C", and one senior hockey league, Allan Cup Hockey.

Southern Ontario is a primary region of the province of Ontario, Canada, the other primary region being Northern Ontario. It is the most densely populated and southernmost region in Canada. The exact northern boundary of Southern Ontario is disputed; however, the core region is situated south of Algonquin Park, the latter being in an area of transition between coniferous forest north of the French and Mattawa Rivers and southern deciduous forest. It covers between 14 and 15% of the province, depending on the inclusion of the Parry Sound and Muskoka districts which also lie in the transitional area between northern and southern forest regions. With approximately 13.5 million people, the region is home to approximately 36% of Canada's population of 37.0 million.

The Mid-Western Junior Hockey League (MWJHL) was a junior ice hockey league in Ontario, Canada, sanctioned by the Ontario Hockey Association from 1973 until 2007. In 2007, the league became a division of the newly formed Greater Ontario Junior Hockey League along with the Western Ontario Hockey League and Golden Horseshoe Junior Hockey League.Southwestern Junior "B" Hockey League 1973 - 1974 Waterloo-Wellington Junior "B" Hockey League 1974 - 1977 Mid-Western Junior "B" Hockey League 1977 - 2007

The Golden Horseshoe Junior Hockey League (GHL) was a junior ice hockey league in Ontario, Canada, sanctioned by the Ontario Hockey Association from 1974 until 2007. In 2007, the league became a division of the newly formed Greater Ontario Junior Hockey League along with the Mid-Western Junior Hockey League and Western Ontario Hockey League.

The Greater Ontario Junior Hockey League (GOJHL) is a Canadian junior ice hockey league based in Southern Ontario, Canada. The league is sanctioned by the Ontario Hockey Association, Ontario Hockey Federation, and Hockey Canada. The league is considered Junior B by the OHA, although it has attempted several times to be promoted to Junior A.

The Chatham Maroons are a junior ice hockey team based in Chatham, Ontario, Canada. They play in the Western division of the Greater Ontario Junior Hockey League (GOJHL). The Maroons were the 1970 Western Ontario Junior A Champions and 1973 Southern Ontario Junior A Champions. The Maroons have won multiple Junior B league titles and the 1999 Sutherland Cup as Ontario Hockey Association Junior B Champions. In the 2021-2022 season, the Maroons won the GOJHL Western Conference Championship 4-2 over the Leamington Flyers. The Maroons dedicated their Championship in honour of their longtime equipment manager and team volunteer, Randy DeWael, who died suddenly during the playoffs.

The Leamington Flyers are a junior ice hockey team based in Leamington, Ontario, Canada. They play in the Western division of the Greater Ontario Junior Hockey League. They are an affiliate of the Ontario Hockey League's Flint Firebirds.

The Petrolia Jets were a junior ice hockey team based in Petrolia, Ontario, Canada. They played in the Western division of the Greater Ontario Junior Hockey League, the Western Ontario Hockey League, and the Great Lakes Junior C Hockey League.

The St. Marys Lincolns are a junior ice hockey team based in St. Marys, Ontario, Canada. They play in the Western division of the Greater Ontario Junior Hockey League.

The St. Thomas Stars are a Canadian junior ice hockey team based in St. Thomas, Ontario, Canada. The team plays in the Western division of the Greater Ontario Junior Hockey League.

The Strathroy Rockets are a junior ice hockey team based in Strathroy, Ontario, Canada. They play in the Western division of the Greater Ontario Junior Hockey League.

Dixie Beehives are a pair of defunct junior ice hockey teams from Weston, Ontario, Canada, which is now part of Toronto, Ontario. They played in the Ontario Provincial Junior A Hockey League and the Central Junior B Hockey League.

The Petrolia Jets were a junior ice hockey team based in Petrolia, Ontario, Canada. They played in the Western division of the Greater Ontario Junior Hockey League, the Western Ontario Hockey League, and the Great Lakes Junior C Hockey League.

The Markham Waxers were an Ontario Junior Hockey League (OJHL) Junior "A" ice hockey team based in Markham, Ontario, Canada. The Waxers name is still used by the Markham Waxers minor hockey club with the Eastern AAA Hockey League, a sub league of the Ontario Minor Hockey Association.

The Hamilton Red Wings were a junior ice hockey team in the Ontario Hockey Association from 1960 to 1974. The team was based in Hamilton, Ontario, at the Barton Street Arena, also known as the Hamilton Forum.

The Streetsville Derbys were a Junior "A" ice hockey team from Streetsville, Ontario, Canada. They were a part of the Ontario Junior Hockey League in 2011 until they merged into the Cobourg Cougars. As of 2018 the Streetsville Hockey League have revived the Derbys name for their “Select” and house league divisions.

The Belleville Bobcats were a Junior "B" ice hockey team. The Bobcats played in the Metro Junior B Hockey League.

The St. Michael's Buzzers are a Junior "A" ice hockey team from Toronto, Ontario, Canada. They compete in the Ontario Junior Hockey League (OJHL).

The Niagara Falls Canucks are a junior ice hockey team based in Niagara Falls, Ontario, Canada. They play in the Golden Horseshoe division of the Greater Ontario Junior Hockey League.

The Kitchener Dutchmen were a Canadian junior ice hockey team based in Kitchener, Ontario, Canada. They played in the Mid-Western division of the Greater Ontario Junior Hockey League.