Surname Olavarria Vargas (Olavarria Vargas 
) , in the world, is a very rare cognomen. The cognomen Olavarria Vargas is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare surname, and Mexico, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Olavarria Vargas | Chile, Mexico |