Around the globe, Castillo Aravena (Castillo Aravena 
) is an extremely rare unknown gender first name. Much more prevalently, Castillo Aravena is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Castillo Aravena | Chile |
Andrea, Sebastian Andres, Maria Del Carmen, Sergio Alejandro, Sergio Antonio, Maria Angelica, Ines Del Carmen, Felipe Andres, Fabiola Mercedes, Soledad Andrea, Vivian Carola, Eliana Alejandra, Eliana Del Carmen, Luis Humberto, Miguel Angel, Maria Teresa, Raul Aurelio, Bernardita, Maria Jose, Francisca, Ana Maria, Marianela, Carolina, Marisol, Teresa, Luis Alberto, and Francisco Javier