The Pacific Coast Hockey Association (PCHA) was a professional ice hockey league in western Canada and the western United States, which operated from 1911 to 1924 when it then merged with the Western Canada Hockey League (WCHL). The PCHA was considered to be a major league of ice hockey and was important in the development of the sport of professional ice hockey through its innovations.

The Western Canada Hockey League (WCHL), founded in 1921, was a major professional ice hockey league originally based in the prairies of Canada. It was renamed the Western Hockey League (WHL) in 1925 and disbanded in 1926.