Surname Zambrano Vallejos (Zambrano Vallejos 
) , across the world, is a very rare last name. The cognomen Zambrano Vallejos is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a rare surname, and Chile, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Zambrano Vallejos | Chile, Ecuador |