Cognomen Lopez Viera (Lopez Viera 
) , throughout the world, is a rare family name. The last name Lopez Viera is characteristic of Latin America and the Caribbean, particularly Paraguay, where it is quite a rare surname, Uruguay, where it is a rare surname, and Ecuador. Not in comparison with a country's population, it is commonest in Paraguay, Ecuador, and Spain.
| VARIANT | COUNTRY |
|---|---|
| Lopez Viera | Paraguay, Spain, Chile, Ecuador, Uruguay |