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, Ukraine, Belarus, Russia, Armenia |
| Vasilian | Brazil, Canada, United States, Romania, Moldova |
| Vasilyan | Canada, United States, France, Russia, Armenia |