Family name Cubillos Castro (Cubillos Castro 
) , in all the world, is a very rare last name. The last name Cubillos Castro is habitual in Chile, where it is a rare surname, Colombia, where it is a very rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Cubillos Castro | Spain, Chile, Colombia |
Valentina, Victor Manuel, Veronica Susana, Michael Antonio, and Alexander Patricio