Cognomen Montalvo Rojas (Montalvo Rojas 
) , worldwide, is a very rare last name. The surname Montalvo Rojas is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a rare surname, Colombia, where it is a very rare surname, and Peru, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Montalvo Rojas | Peru, Colombia, Spain, Mexico, Ecuador |
John, Omar, Maribel, Denisse, Edwin Danilo, Gonzalo Rene, Luis Alberto, and Magdalena Roxana