Globally, Виалий (Vialy 
, Виалий 
, Vialiy 
) is quite a rare unisex first name. The forename Виалий is habitual in the Democratic Republic of the Congo, where it is quite a rare epicene name, and Indonesia, where it is a very rare boy's name. Very seldom, Виалий is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Vialy | Democratic Republic of the Congo, France, Mexico, United States, Indonesia |
| Виалий | Kazakhstan, Russia, Georgia, Ukraine |
| Vialiy | United States, India, Ukraine |