Cognomen Vianca Valeria (Vianca Valeria 
) , in the world, is an extremely rare family name. The last name Vianca Valeria is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More frequently, Vianca Valeria is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vianca Valeria | Ecuador, Chile, Peru, Costa Rica |
Urqueta, and Ospina Orozco