Surname Garkach (Garkach 
, Гаркач 
) , globally, is a rare last name. The family name Garkach 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 |
|---|---|
| Garkach | Russia |
| Гаркач | Belarus, Russia, Kazakhstan, Ukraine |