Cognomen Olavarria Sanchez (Olavarria Sanchez 
) , in all the world, is a very rare family name. The family name Olavarria Sanchez is characteristic of Chile, where it is a very rare surname, Ecuador, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Olavarria Sanchez | Chile, Ecuador, Spain |