Cognomen Rivera Mancilla (Rivera Mancilla 
) , all around the world, is a very rare family name. The cognomen Rivera Mancilla is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare surname, and Ecuador, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rivera Mancilla | Chile, Ecuador |
Fernanda, Alejandra, Maria Edith, Marco Antonio, Silvia Veronica, and Patricia Lidia