Family name Vakhnik (Vakhnik 
, Вахник 
) , all around the world, is a rare cognomen. The family name Vakhnik is habitual in Eastern Europe, particularly Belarus, where it is a rare surname, Ukraine, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Vakhnik | Russia |
| Вахник | Belarus, Russia, Ukraine |