| Carlos Álvarez | |
| Full Name: | Carlos Mario Álvarez Sánchez |
| Sport: | Sprinting |
| Event: | 4 × 400 metres relay |
| Birth Date: | 12 September 1956 |
| Birth Place: | Sagua de Tánamo, Cuba |
Carlos Mario Álvarez Sánchez (born 12 September 1956) is a Cuban sprinter. He competed in the men's 4 × 400 metres relay at the 1976 Summer Olympics.[1] He won a silver medal at the 1975 Pan American Games in the 4 x 400 metres relay.