William John King (January 4, 1864 – July 16, 1936) was a Canadian-American college football coach, athletics administrator, and Presbyterian minister.

He served as the head football coach at Hampden–Sydney College's in Hampden Sydney, Virginia for one season, in 1895, and the College of William & Mary for three seasons, in 1897, 1898 and 1900, compiling a career coaching record of 3–5.

[1] King was born on January 4, 1864, in Port Hope, Ontario and immigrated to the United States at the age of 21.

[3] King retired to Newport News, Virginia around 1931 and died at his home there on July 16, 1936.

This biographical article relating to a college football coach first appointed in the 1890s is a stub.