Cognomen Blavia (Blavia 
) , all over the world, is a very rare family name. The family name Blavia is habitual in Spain, where it is a very rare surname, Venezuela, and Chile. Measured by absolute frequency, it is the most numerous in Spain, Colombia, and Venezuela. Likewise, Blavia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blavia | Spain, Colombia, Mexico, United States, Venezuela |