Family name Василян (Василян 
, Vasilian 
, Vasilyan 
) , all around the world, is quite a rare surname. The last name Василян is habitual in Armenia, where it is quite a rare surname, Moldova, and Russia, where it is a rare surname. Likewise, Василян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Василян | Kazakhstan, Belarus, Armenia, Russia, Ukraine |
| Vasilian | Brazil, Moldova, Romania, Canada, United States |
| Vasilyan | France, Armenia, Canada, United States, Russia |