Throughout the world, Sánchez Castellanos (Sánchez Castellanos 
) is an extremely rare unknown gender forename. Much more frequently, Sánchez Castellanos is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sánchez Castellanos | Mexico, Spain |
Roxi, Oscar, Alejandro, Alejandra, and José Emiliano