Cognomen Castillo Landazuri (Castillo Landazuri 
) , in all the world, is a very rare surname. The surname Castillo Landazuri is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a rare surname, Colombia, where it is a very rare surname, and Chile, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Castillo Landazuri | Ecuador, Chile, Colombia |