| William Gwin | |
| Birth Date: | 30 October 1876 |
| Player Years1: | 1900–1901 |
| Player Team1: | Auburn |
| Coach Years1: | 1902–1903 |
| Coach Team1: | Howard (AL) |
William Houston Gwin, also credited as William Houston Guinn in some media, (October 30, 1876 – May 15, 1958) was an American football player and coach. He served as the head football coach at Samford University (then known as Howard College) from 1902 to 1903.[1]
He was a collegiate football player at Auburn University and scored a touchdown against Alabama in the 1901 Iron Bowl.[2]