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