Last name Montalvan Lopez (Montalvan Lopez 
) , across the world, is a rare cognomen. The cognomen Montalvan Lopez is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a rare surname, Chile, where it is a very rare surname, and Peru, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Montalvan Lopez | Ecuador, Chile, Peru, United States |