Cognomen Vivcharyuk (Vivcharyuk 
, Вивчарюк 
) , in the entire world, is a very rare last name. The cognomen Vivcharyuk is habitual in Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Vivcharyuk | Ukraine |
| Вивчарюк | Russia, Ukraine |