| William H. Walker | |
| Office: | Member of the Legislative Assembly of Quebec for Huntingdon |
| Predecessor: | George Washington Stephens |
| Successor: | Andrew Philps |
| Term Start: | 1900 |
| Term End: | 1913 |
| Birth Date: | 25 July 1847 |
| Birth Place: | Ochiltree Manse, Ayrshire, Scotland |
| Death Place: | Godmanchester, Quebec |
| Party: | Liberal |
William H. Walker (July 25, 1847 - June 25, 1913) was a Canadian politician.
Born in Ochiltree Manse, Ayrshire, Scotland, Walker emigrated to Canada in 1858. Walker was elected to the Legislative Assembly of Quebec for Huntingdon in 1900. A Liberal, he was acclaimed in 1904 and 1908. He was re-elected in 1912.