| Marcos Barreto | |
| Full Name: | Marcos Barreto Luis |
| Nationality: | Mexican |
| Sport: | Long-distance running |
| Event: | 5000 and 10000 metres |
| Birth Date: | 25 April 1960 |
| Height: | 1.77 m |
| Weight: | 63 kg |
Marcos Barreto Luis (born 25 April 1960) is a Mexican long-distance runner. He competed in the men's 5000 metres at the 1988 Summer Olympics.[1]