Family name Lyubchak (Любчак 
, Lyubchak 
) , globally, is a rare last name. The family name Lyubchak is habitual in Ukraine, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Russia. Much less frequently, Lyubchak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Любчак | Russia, Kyrgyzstan, Ukraine, Kazakhstan |
| Lyubchak | Ukraine, Israel, Russia, Germany |