| William Douglas Stewart | |
| Birth Date: | 1938 3, df=yes |
| Birth Place: | Victoria, British Columbia, Canada |
| Riding: | Okanagan—Kootenay |
| Term Start: | June 1968 |
| Term End: | May 1974 |
| Profession: | lawyer |
| Party: | Liberal |
William Douglas Stewart (26 March 1938 – 2 March 2018) was a Liberal party member of the House of Commons of Canada. He was a lawyer by career.
Born at Victoria, British Columbia, Stewart was first elected at the Okanagan—Kootenay riding in the 1968 general election. Stewart was re-elected there in the 1972 election, but did not seek a third term in federal office after completing his term in the 29th Canadian Parliament. He died from cancer in 2018 at the age of 79.[1]