Cognomen Василй (Vasili 
, Vasily 
, Vasilj 
) , in all the world, is a common family name. The family name Василй is habitual in Georgia, where it is a common surname, Bosnia and Herzegovina, where it is quite a common surname, and Albania (explore the name in all countries). In absolute terms, the name is most common in Georgia, Bosnia and Herzegovina, and India. Also, Василй is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vasili | Moldova, Russia, United States, India, Georgia |
| Vasily | Moldova, Russia, United States, Israel, India |
| Vasilj | Bosnia and Herzegovina, United States, Serbia, Switzerland, Croatia |
| Василй | Russia, Kyrgyzstan |