Surname Васылев (Васылев 
, Vasylev 
) , worldwide, is a very rare last name. The cognomen Васылев is habitual in Ukraine, where it is a very rare surname, Russia, and Kazakhstan. In absolute terms, it is the most numerous in Russia, Ukraine, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Васылев | Kazakhstan, Russia, Ukraine |
| Vasylev | Germany, Russia, United States, Canada, Ukraine |