The Portland Winterhawks are a junior ice hockey team based in Portland, Oregon. Founded in 1950 as the Edmonton Oil Kings, the team relocated to Portland in 1976 and was known as the Winter Hawks until 2009. The team plays in the U.S. Division of the Western Hockey League (WHL), one of three constituent leagues of the Canadian Hockey League (CHL). The Winterhawks have made a record thirteen appearances in the WHL championship series—including a record-tying four straight from 2011 to 2014—winning the Ed Chynoweth Cup three times and capturing two Memorial Cup titles. They were the first American-based team to participate in and win either championship. The team plays its home games at Veterans Memorial Coliseum.

The Western Hockey League (WHL) is a junior ice hockey league based in Western Canada and the Northwestern United States. The WHL is one of three leagues that constitutes the Canadian Hockey League (CHL) as the highest level of junior hockey in Canada, alongside the Ontario Hockey League and Quebec Maritimes Junior Hockey League. Teams play for the Ed Chynoweth Cup, with the winner moving on to play for the Memorial Cup, Canada's national junior championship. WHL teams have won the Memorial Cup 19 times. The WHL is composed of 22 teams divided into two conferences of two divisions. The Eastern Conference comprises 11 teams from Manitoba, Saskatchewan, and Alberta, while the Western Conference comprises eleven teams from British Columbia and the American states of Washington and Oregon.