Surname Montalvo Salas (Montalvo Salas 
) , in all the world, is a very rare cognomen. The surname Montalvo Salas is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname, and Chile, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Montalvo Salas | Chile, Ecuador |
Marcos, and Alan Antonio