Family name Jijko (Жижко 
, Jijko 
) , all over the world, is quite a rare surname. The surname Jijko is habitual in Ukraine, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Жижко | Kyrgyzstan, Russia, Belarus, Kazakhstan, Ukraine |
| Jijko | Georgia |