Last name Hernandez Carvallo (Hernandez Carvallo 
) , worldwide, is a very rare surname. The cognomen Hernandez Carvallo is characteristic of Chile, where it is a rare surname, Spain, where it is an extremely rare surname, and Canada. In absolute terms, it is the most numerous in Chile, Spain, and Mexico.
| VARIANT | COUNTRY |
|---|---|
| Hernandez Carvallo | Canada, Mexico, Chile, Spain |