Cognomen Prieto Oviedo (Prieto Oviedo 
) , around the world, is a very rare surname. The family name Prieto Oviedo is habitual in Ecuador, where it is a rare surname, and Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Prieto Oviedo | Spain, Ecuador |
Sergi, Pedro, Oscar, and Andres Giovanny