Worldwide, Castro Méndez (Castro Méndez 
) is an extremely rare unknown gender first name. Much more prevalently, Castro Méndez is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Castro Méndez | Costa Rica, Spain, Colombia |
José, Mirtha, Sofía, Víctor, Álvaro, Aarón Octavio, Willington, and Jorge Hernán