| Mariann Ambrus | |
| Full Name: | Mariann Ambrus-Feketé |
| Birth Place: | Budapest |
| Height: | 178 cm |
| Weight: | 72 kg |
| Sport: | Rowing |
| Club: | Magyar Hajó- és Darugyár Sport Club |
| Headercolor: | lightsteelblue |
Mariann Ambrus (later Feketé, 24 April 1956 – 19 October 2007) was a Hungarian rower.[1] She competed in the single sculls at the 1976 and 1980 Summer Olympics. She was born and died in Budapest.[2]