| William Bannerman | |
| Term Start: | 1878 |
| Term End: | 1882 |
| Birth Date: | 5 November 1841 |
| Birth Place: | Kildonan, Sutherland, Scotland |
| Death Date: | 1914 |
| Profession: | businessman, lumber merchant |
| Party: | Conservative |
| Riding: | Renfrew South |
William Bannerman (born 5 November 1841, in Kildonan, Sutherland, Scotland – 1914[1]) was a Scottish-born Canadian politician.
The son of Thomas Bannerman and Barbara McCoy, he was educated in Scotland, went to sea as a boy and came to Canada West in 1857. Bannerman worked as a clerk in his uncle's store in McNab Township for seven years. In 1865, he established a lumber company in Renfrew. Bannerman married Isabella Campbell in 1867. He served as reeve of McNab Township for three years.[2]
He was elected to the House of Commons of Canada in 1878 as a Member of the historical Conservative Party to represent the riding of Renfrew South and defeated in 1882. He was also defeated in elections in 1874 and 1875.