Cognomen Castillo Cepeda (Castillo Cepeda 
) , throughout the world, is a very rare last name. The last name Castillo Cepeda is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a rare surname, Chile, and Venezuela, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Castillo Cepeda | Venezuela, Chile, Ecuador |