| Honorific-Prefix: | The Hon. |
| William Smith | |
| Constituency Mp: | Ontario South |
| Parliament: | Canadian |
| Predecessor: | Francis Wayland Glen |
| Successor: | James Ironside Davidson |
| Term Start: | 1887 |
| Term End: | 1891 |
| Predecessor2: | James Ironside Davidson |
| Successor2: | Leonard Burnett |
| Term Start2: | 1892 |
| Term End2: | 1896 |
| Predecessor3: | Frederick Luther Fowke |
| Successor3: | Lawson Omar Clifford |
| Term Start3: | 1911 |
| Term End3: | 1921 |
| Birth Date: | 16 November 1847 |
| Birth Place: | Columbus, Canada West |
| Party: | Conservative |
William Smith, (November 16, 1847 – January 22, 1931) was a Canadian politician.
Born in Columbus, Canada West, the son of William Smith and Elizabeth Laing, Smith received his early education in the public schools of Columbus after which he continued his studies in Upper Canada College. An agriculturist, Smith was deputy reeve and afterwards reeve of the township of East Whitby. He was also trustee of Columbus School Board for twenty years. He was the Conservative member of the House of Commons of Canada from 1887 to 1891, 1892–1896, and 1911–1921.
|- |Conservative|William Smith |align="right"| acclaimed |}
This article incorporates text from The Canadian album: men of Canada, Vol. 4, a publication now in the public domain.