| Ian MacKenzie | |
| Fullname: | Ian MacKenzie |
| National Team: | Canada |
| Strokes: | Backstroke, freestyle |
| Birth Date: | September 30, 1953 |
| Birth Place: | Vancouver, British Columbia |
| Height: | 1.78m (05.84feet) |
| Weight: | 71kg (157lb) |
Ian MacKenzie (born September 30, 1953) is a former competition swimmer who represented Canada at the 1972 Summer Olympics in Munich, Germany. MacKenzie was a member of Canada's team in the 4x200-metre freestyle relay which placed 7th in the event final. He also competed in the 100 and 200-metre backstroke events, advancing the semifinals of the 100-metre.[1]