The Seattle Metropolitans were a professional ice hockey team based in Seattle, Washington, playing in the Pacific Coast Hockey Association (PCHA) from 1915 to 1924. During their nine seasons, the Metropolitans were the PCHA's most successful franchise, as they went 112–96–2 in their nine years as a franchise. The Metropolitans also won the most regular season PCHA championships, winning five times, with Seattle finishing second on three other occasions. The Metropolitans played their home games at the 2,500 seat Seattle Ice Arena located downtown at 5th and University.

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.