| Frederick Donald MacKenzie | |
| Constituency Mp: | Neepawa |
| Parliament: | Canadian |
| Predecessor: | Thomas Gerow Murphy |
| Successor: | John Bracken |
| Term Start: | 1935 |
| Term End: | 1945 |
| Birth Date: | 18 December 1882 |
| Birth Place: | Presqu'île, Ontario |
| Death Place: | Ottawa, Ontario |
| Spouse: | Wilma Christina Robertson (m. 12 March 1921) |
| Occupation: | School principal, teacher |
Frederick Donald MacKenzie, (December 18, 1882 - October 13, 1970) was a soldier, teacher and Member of Parliament in Canada.
Mackenzie was born in Presqu'île, Ontario and was educated at Owen Sound Collegiate and Vocational Institute and Queen's University where he earned a Bachelor of Arts.
He served during the First World War with the Queen's University Hospital Unit from 1915 to 1916 in Egypt and the Dardanelles. He was subsequently a lieutenant with the Canadian Field Artillery from 1916 to 1919.
Following the war, he returned to Canada and settled in Neepawa, Manitoba, where he worked as a teacher and became a school principal.
In the 1935 federal election he ran as a Liberal candidate in Neepawa and was returned to the House of Commons of Canada. He was re-elected in the 1940 federal election but defeated in the 1945 election by the Progressive Conservative leader and former Manitoba Premier John Bracken.
He died in 1970 in Ottawa.[1]