| Played For: | Montreal Shamrocks |
| Height Ft: | 5 |
| Height In: | 8 |
| Weight Lb: | 155 |
| Birth Date: | 26 October 1882 |
| Birth Place: | Montreal, Quebec, Canada |
| Career Start: | 1902 |
| Career End: | 1913 |
William Henry Baker (October 26, 1882 – February 11, 1916[1]) was a Canadian professional ice hockey player. He played with the Montreal Shamrocks of the Canadian Hockey Association and the National Hockey Association.