Donald Gordon McKenzie (April 9, 1887 – May 14, 1963) was a politician in Manitoba, Canada. He served in the Legislative Assembly of Manitoba from 1928 to 1936 and was a cabinet minister in the government of John Bracken.
McKenzie was born in Brandon, Manitoba, to parents who were recent settlers from Huron County, Ontario. His father, Roderick McKenzie, was a founder and for years a prominent member of the farmers' movement in Western Canada.