Cognomen Castro Montiel (Castro Montiel 
) , in the entire world, is a rare family name. The family name Castro Montiel is characteristic of Latin America and the Caribbean, particularly Cuba, where it is a rare surname, Ecuador, and Chile, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Cuba, Ecuador, and Spain.
| VARIANT | COUNTRY |
|---|---|
| Castro Montiel | Spain, Mexico, Ecuador, Chile, Cuba |