| Trevor Haynes | |
| Nationality: | Northern Rhodesian |
| Sport: | Long-distance running |
| Event: | Marathon |
| Birth Date: | 17 November 1929 |
| Birth Place: | Broken Hill, Northern Rhodesia |
Trevor Sackville Anthony Haynes (born 17 November 1929) is a former long-distance runner. He competed in the marathon at the 1964 Summer Olympics representing Northern Rhodesia. He carried the Northern Rhodesian flag at the Tokyo Olympics Opening Ceremony, but as Zambia declared its independence on 24 October 1964, Haynes carried the Zambian flag at the Closing Ceremony.[1]