The 1916–17 PCHA season was the sixth season of the professional men's ice hockey Pacific Coast Hockey Association league. Season play ran from December 1, 1916, until March 2, 1917. The season was expanded to 24 games per team, except that the final game was cancelled. The Seattle Metropolitans club would be PCHA champions. After the season the club would play the Stanley Cup finals series against the Montreal Canadiens, NHA champions. Seattle would win the best-of-five series 3–1 to win the Cup.

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.