Family name Zavidnyak (Zavidnyak 
, Завидняк 
) , globally, is a rare last name. The surname Zavidnyak is characteristic of Ukraine, where it is a rare surname, Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Zavidnyak | Russia, United States |
| Завидняк | Ukraine, Russia |