| Mariana Stoyanova | |
| Nationality: | Bulgarian |
| Sport: | Rowing |
| Birth Date: | 3 July 1967 |
| Birth Place: | Sandanski, Bulgaria |
Mariana Stoyanova (Bulgarian: Мариана Стоянова; born 3 July 1967) is a Bulgarian rower. She competed at the 1988 Summer Olympics and the 1992 Summer Olympics.[1]