| Headercolor: | lightblue |
| Arantza Gumucio | |
| Birth Date: | 4 October 1989 |
| Country: | Chile |
| Sport: | Sailing |
Arantza Gumucio (born 4 October 1989) is a Chilean competitive sailor. She competed at the 2016 Summer Olympics in Rio de Janeiro, in the women's 49erFX.[1]