| Mary Proença | |
| Full Name: | Mary Dalva Proença |
| Birth Date: | 3 March 1935 |
| Birth Place: | Rio de Janeiro, Brazil |
| Sport: | Diving |
Mary Dalva Proença (born 3 March 1935) is a Brazilian diver. She competed in the women's 10 metre platform event at the 1956 Summer Olympics.[1]