Cognomen Montalvo Hidalgo (Montalvo Hidalgo 
) , in the entire world, is a very rare family name. The surname Montalvo Hidalgo is habitual in Ecuador, where it is a rare surname, and Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Montalvo Hidalgo | Ecuador, Spain |
Kewin, Fabricio, Juan Manuel, Maria Augusta, and Jonathan Ivan