| Greta Martinelli | |
| Nationality: | Italian |
| Birth Date: | 3 December 2000 |
| Country: | Italy |
| Sport: | Rowing |
| Event: | Lightweight quadruple sculls |
Greta Martinelli (born 3 December 2000) is an Italian rower.
She won a gold medal in the Lightweight Women's Quadruple Sculls category at the 2019 World Rowing Championships.[1]