Family name Castillo Ventura (Castillo Ventura 
) , around the world, is a rare surname. The cognomen Castillo Ventura is characteristic of the Dominican Republic, where it is a rare surname, Spain, where it is a very rare surname, and Chile. In absolute terms, it is commonest in the Dominican Republic, Spain, and Mexico.
| VARIANT | COUNTRY |
|---|---|
| Castillo Ventura | Spain, Mexico, Chile, Dominican Republic, Peru |