| Donald Nicholson | |
| Honorific-Suffix: | MP |
| Riding: | Queen's |
| Parliament: | Canadian |
| Term Start: | 1911 |
| Term End: | 1921 |
| Predecessor: | Lemuel Prowse, Alexander B. Warburton |
| Alongside: | Angus McLean, John Ewen Sinclair |
| Successor: | Donald McKinnon |
| Birth Date: | March 20, 1850 |
| Birth Place: | Charlottetown, Prince Edward Island, British North America |
| Death Date: | April 30, 1932 |
| Party: | Conservative |
Donald Nicholson (March 20, 1850 - April 30, 1932) was a Canadian politician, who served in the House of Commons of Canada from 1911 to 1921. He represented the Prince Edward Island electoral district of Queen's as a member of the Conservative Party from 1911 to 1917, and the Unionist Party from 1917 to 1921.
Prior to his election to the House of Commons, Nicholson was a tobacco merchant.[1]
Nicholson built two houses on Fitzroy Street in Charlottetown, at house numbers 13 and 15, for his sons Edward and Robert. Both are designated as historic properties by the city of Charlottetown.[1] [2]
John Paton Nicholson, Robert's son and Donald's grandson, later became chief justice of the Supreme Court of Prince Edward Island.[2]