| William Wilson Webb | |
| Office1: | Ontario MPP |
| Term Start1: | 1871 |
| Term End1: | 1874 |
| Predecessor1: | John Eyre |
| Successor1: | James Marshall Ferris |
| Constituency1: | Northumberland East |
| Party: | Liberal |
| Birth Date: | 28 July 1827 |
| Birth Place: | Colborne, Upper Canada |
| Death Place: | Brighton, Ontario |
| Occupation: | Businessman |
William Wilson Webb (28 July, 1827 - June 30, 1894)[1] was an Ontario businessman and political figure. He represented Northumberland East in the Legislative Assembly of Ontario as a Liberal member from 1871 to 1874.
Webb was born near Colborne in Upper Canada, the son of an Irish immigrant. He was a merchant in Brighton and served as reeve of Brighton in 1864 and 1865.