Cognomen Gyzhko (Gyzhko 
, Гижко 
) , worldwide, is a rare surname. The last name Gyzhko is habitual in Ukraine, where it is quite a rare surname, Russia, where it is a very rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Gyzhko | Ukraine, Spain |
| Гижко | Kazakhstan, Russia, Ukraine |