| William George Robertson | |
| Parliament: | Ontario Provincial |
| Term Start: | December 1, 1926 |
| Term End: | September 17, 1929 |
| Predecessor: | constituency established |
| Successor: | Frederick John McArthur |
| Riding: | Northumberland |
| Party: | Liberal |
William George Robertson was a Canadian politician from the Liberal Party of Ontario. He represented Northumberland in the Legislative Assembly of Ontario from 1926 to 1929.[1]