Surname Sandoval Sierra (Sandoval Sierra 
) , in the world, is a very rare last name. The cognomen Sandoval Sierra is habitual in Chile, where it is a very rare surname, Colombia, and Spain.
| VARIANT | COUNTRY |
|---|---|
| Sandoval Sierra | Spain, Chile, Colombia |
Jechu, Nelson, Omaira, Malena Liz, and Luis Gonzalo