| W. J. King | |
| Birth Date: | 4 January 1864 |
| Birth Place: | Port Hope, Ontario, Canada |
| Death Place: | Newport News, Virginia, U.S. |
| Coach Years1: | 1895 |
| Coach Team1: | Hampden–Sydney |
| Coach Years2: | 1897–1898 |
| Coach Team2: | William & Mary |
| Coach Years3: | 1900 |
| Coach Team3: | William & Mary |
| Admin Years1: | 1901–1905 |
| Admin Team1: | William & Mary |
| Overall Record: | 3–5 |
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. King was also the athletic director at William & Mary from 1901 to 1905.[1]
King was born on January 4, 1864, in Port Hope, Ontario and immigrated to the United States at the age of 21.[2] He married Hallie Haxall in 1901.[3] King retired to Newport News, Virginia around 1931 and died at his home there on July 16, 1936.[4]