| Honorific-Prefix: | The Hon. |
| William Ross | |
| Office: | Senator for Victoria, Nova Scotia |
| Appointed: | Wilfrid Laurier |
| Term Start: | May 18, 1905 |
| Term End: | March 17, 1912 |
| Constituency Mp2: | Victoria, Nova Scotia |
| Parliament2: | Canadian |
| Successor2: | Charles James Campbell |
| Term Start2: | 1867 |
| Term End2: | 1874 |
| Predecessor3: | John Lemuel Bethune |
| Successor3: | Electoral district was abolished in 1903 |
| Term Start3: | 1900 |
| Term End3: | 1904 |
| Birth Date: | 20 December 1824 |
| Birth Place: | Boularderie, Nova Scotia, Canada |
| Death Place: | Ottawa, Ontario, Canada |
| Spouse: | Eliza Moore |
| Party: | Anti-Confederate (1867-1869) Liberal |
| Residence: | Halifax, Nova Scotia |
| Cabinet: | Minister of Militia and Defence (1873-1874) |
William Ross (December 20, 1824 - March 17, 1912) was a Canadian politician.
Born on Boularderie Island, Nova Scotia, the son of John Ross, a Scottish immigrant,[1] and Robina McKenzie,[2] Ross was a merchant and shipbuilder. In 1855, he married Eliza Moore. He represented Victoria County in the Nova Scotia House of Assembly from 1857 to 1867.[1] He was elected to the 1st Canadian Parliament in 1867. From 1873 to 1874, he was the Minister of Militia and Defence. Ross resigned his seat in the House of Commons in 1874 after he was named customs collector for Halifax[3] and served until 1888.[2]
Ross also served as a Lieutenant-colonel in the Cape Breton Militia.[2]
In 1905, he was summoned to the Senate of Canada representing the senatorial division of Victoria, Nova Scotia. A Liberal, he served until his death in 1912.