Cognomen Hernández Castro (Hernández Castro 
) , around the world, is a very rare surname. The last name Hernández Castro is characteristic of Costa Rica, where it is a very rare surname, Finland, and Colombia. In absolute terms, this name is the most popular in Colombia, Spain, and Mexico.
| VARIANT | COUNTRY |
|---|---|
| Hernández Castro | Spain, Mexico, Colombia, Finland, Costa Rica |