Surname Riera Barrionuevo (Riera Barrionuevo 
) , around the world, is a very rare family name. The cognomen Riera Barrionuevo is habitual in Ecuador, where it is a rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Riera Barrionuevo | Spain, Ecuador |