Family name Edinak (Edinak 
, Единак 
) , all around the world, is a rare last name. The family name Edinak is habitual in Eastern Europe, particularly Belarus, where it is a rare surname, Russia, and Ukraine, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Edinak | Brazil, Russia, United Kingdom |
| Единак | Kazakhstan, Russia, Ukraine, Belarus |