| Ross MacKenzie | |
| Nationality: | Canadian |
| Sport: | Sprinting |
| Event: | 400 metres |
| Birth Date: | 18 July 1946 |
| Death Date: | [1] |
Ross MacKenzie (18 July 1946 - 20 June 2002) was a Canadian sprinter. He competed in the men's 400 metres at the 1968 Summer Olympics. He finished second in the 1967 Pan American Games 4 × 400 metres relay (with Brian MacLaren, Bill Crothers, and Robert McLaren). MacKenzie also finished fifth in the 1967 Pan American Games 400 metres.[2] He won a silver medal in the 1966 British Empire and Commonwealth Games 4 x 440 yards relay with Don Domansky, Brian MacLaren and Bill Crothers.