Cognomen Peña Sanhueza (Peña Sanhueza 
) , all around the world, is a very rare family name. The surname Peña Sanhueza is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare surname, and Ecuador, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Peña Sanhueza | Chile, Ecuador |
Sergio, Carlos, Isabel, Damian Osvaldo, Maria Isabel, Luis Alberto, and Ximena Del Carmen