Surname Vialo (Vialo 
) , throughout the world, is a very rare cognomen. The family name Vialo is habitual in Georgia, where it is a very rare surname, France, and Argentina, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in France, India, and Georgia. Likewise, Vialo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vialo | France, Argentina, United States, India, Georgia |