Surname Diaz Gualoto (Diaz Gualoto 
) , throughout the world, is a very rare cognomen. The surname Diaz Gualoto is habitual in Ecuador, where it is a rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Diaz Gualoto | Spain, Ecuador |
Maria Elsa, and Maria Feliza