Family name Mancilla Yañez (Mancilla Yañez 
) , globally, is a very rare cognomen. The last name Mancilla Yañez is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mancilla Yañez | Chile |
Daviid, Alejandra, Alex Federico, Ivan Carlos, Marisol Yanett, and Yessica Lorena