Surname Vasilious (Vasilious 
, Василюс 
) , globally, is a very rare family name. The last name Vasilious is characteristic of Belarus, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Russia. Much less frequently, Vasilious is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vasilious | Canada, United States, Greece |
| Василюс | Russia, Ukraine, Kyrgyzstan, Belarus |