Cognomen Castro Iturralde (Castro Iturralde 
) , in all the world, is a very rare family name. The cognomen Castro Iturralde is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a rare surname, and Chile, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Castro Iturralde | Ecuador, Chile |
Enmita, and Ricardo Daniel