Around the globe, Castillo-Reyes (Castillo-Reyes 
) is an extremely rare unknown gender given name. Much more prevalently, Castillo-Reyes 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 Reyes.
| VARIANT | COUNTRY |
|---|---|
| Castillo-Reyes | United States, Philippines |