Last name Valarezo Zuñiga (Valarezo Zuñiga 
) , in all the world, is a very rare family name. The last name Valarezo Zuñiga is habitual in Ecuador, where it is a very rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Valarezo Zuñiga | Spain, Ecuador |
Efrain, and William Efrain