| Code | DS/UK/10864 |
| Name | Avener; Marshall (10 December 1950); American gymnast |
| Dates | 10 December 1950 |
| Gender | Male (cisgender) |
| Place of Birth/Origin | Brooklyn, New York, United States (born) |
| Biography | Marshall Avener is an American gymnast. He competed at the 1972 Summer Olympics and the 1976 Summer Olympics. |