Cognomen Gourko (Гурко 
, Гурько , Gourko 
) , in the world, is quite a rare last name. The last name Gourko is habitual in Eastern Europe, particularly Belarus, where it is quite a rare surname, Ukraine, and Russia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Гурко | Kazakhstan, Russia, Bulgaria, Belarus, Ukraine |
| Гурько | Kazakhstan, Russia, Ukraine |
| Gourko | Finland, United States, France |
| גורקו | Israel |