Cognomen Alvarez Garnica (Alvarez Garnica 
) , all over the world, is an extremely rare last name. The surname Alvarez Garnica is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname, and Chile, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Alvarez Garnica | Chile, Ecuador |
Ana, and Pedro Walter