Last name Василен (Vasilen 
, Василен 
, Vassilen 
) , throughout the world, is a very rare surname. The last name Василен is habitual in Greece, where it is a rare surname, and Ukraine, where it is an extremely rare surname. More frequently, Василен is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vasilen | Romania, United States, Bulgaria, Greece |
| Василен | Bulgaria, Ukraine |
| Vassilen | Spain, United States, Greece |