| Honorific-Prefix: | Lieutenant Colonel |
| Henry S. Hamilton, Q.C. | |
| Birth Date: | 28 January 1887 |
| Birth Place: | Sault Ste. Marie, Ontario |
| Death Place: | Sault Ste. Marie, Ontario |
| Spouse: | Lorraine Irwin[1] m. 22 Jul 1917 |
| Term Start: | October 1935 |
| Term End: | March 1940 |
| Predecessor: | Thomas Edward Simpson |
| Successor: | George E. Nixon |
| Profession: | Barrister, lawyer |
| Party: | Liberal |
Henry Sidney Hamilton (28 January 1887 – 10 February 1976) was a Canadian politician. He represented the electoral district of Algoma West in the House of Commons of Canada from 1935 to 1940. He was a member of the Liberal Party.[2] He was also a former member of the Canadian Expeditionary Force, attaining the rank Lieutenant-Colonel.[3] He died at Plummer Memorial Hospital in Sault Ste. Marie in 1976.[4]