Cognomen Olvera Barahona (Olvera Barahona 
) , in the entire world, is a very rare family name. The last name Olvera Barahona is habitual in Ecuador, where it is a very rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Olvera Barahona | Spain, Ecuador |