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Surname Montalvan Castillo (Montalvan Castillo
) , in the entire world, is a rare family name. The surname Montalvan Castillo is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a rare surname, Bolivia, and Chile, where it is a very rare surname. In absolute terms, it is the most numerous in Ecuador, Bolivia, and Spain.
| VARIANT | COUNTRY |
|---|---|
| Montalvan Castillo | Bolivia, Spain, Ecuador, Chile, Peru |
Romario, Auria Sebastiana, Luis Vinicio, Juan Carlos, Victor Hugo, Miguel Angel, Jessica Nataly, Maria Clemencia, and David Alexander