Surname Fuentes Portilla (Fuentes Portilla 
) , throughout the world, is a very rare cognomen. The cognomen Fuentes Portilla is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a rare surname, and Chile, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Fuentes Portilla | Ecuador, Chile |
Dayana, and Grecia Maria