Worldwide, Castillo-Baez (Castillo-Baez 
) is an extremely rare unknown gender first name. Much more frequently, Castillo-Baez is the last name as well as the forename. Parts of the name also exists independently as a last name Castillo, and a last name Baez.
| VARIANT | COUNTRY |
|---|---|
| Castillo-Baez | United States |