Cognomen Luzarraga Castro (Luzarraga Castro 
) , around the globe, is a very rare family name. The family name Luzarraga Castro is habitual in Ecuador, where it is a rare surname, Spain, where it is a very rare surname, and Chile, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Luzarraga Castro | Chile, Spain, Ecuador |