In the entire world, Castiblanco (Castiblanco 
) is a very rare epicene first name. The given name Castiblanco is characteristic of Latin America and the Caribbean, particularly Colombia, where it is a very rare gender-neutral name. Much more frequently, Castiblanco is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Castiblanco | United States, Venezuela, Colombia, Guatemala, Spain |