Cognomen Gallo Dueñas (Gallo Dueñas 
) , around the globe, is an extremely rare surname. The last name Gallo Dueñas is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gallo Dueñas | Ecuador |
Magaby, and Eleana Milena