| Mariano Lozano | |
| Nationality: | Mexican |
| Sport: | Tennis |
| Birth Date: | 18 April 1894 |
| Birth Place: | Tacubaya, Mexico |
| Death Place: | Mexico City, Mexico |
Mariano Lozano (18 April 1894 - 11 December 1968) was a Mexican tennis player. He competed in the men's singles and doubles events at the 1924 Summer Olympics.[1]