| Marvin Nash | |
| Nationality: | Canadian |
| Sport: | Sprinting |
| Event: | 100 metres |
| Birth Date: | 7 December 1953 |
| Birth Place: | Kingston, Jamaica |
Marvin Nash (7 December 1953 – 20 January 2023[1]) was a Canadian sprinter. He competed in the men's 100 metres at the 1976 Summer Olympics.[2] He won a bronze medal in the 1975 Pan American Games 4 × 100 metres relay (with Hugh Fraser, Albin Dukowski, and Bob Martin).