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 | Ukraine, Kazakhstan, Russia, Belarus, Bulgaria |
| Гурько | Ukraine, Russia, Kazakhstan |
| Gourko | France, Finland, United States |
| גורקו | Israel |