Family name Vazhnik (Vazhnik 
, Важник 
) , across the world, is a rare last name. The family name Vazhnik is characteristic of Eastern Europe, particularly Belarus, where it is quite a rare surname, Ukraine, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Vazhnik | Belarus, Russia, United States |
| Важник | Belarus, Russia, Ukraine |