Cognomen Zhitko (Zhitko 
, Житько 
, Житко 
) , worldwide, is a rare family name. The last name Zhitko is characteristic of Eastern Europe, particularly Belarus, where it is quite a rare surname, Ukraine, where it is a rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Zhitko | Russia, Belarus |
| Житько | Russia, Ukraine, Belarus |
| Житко | Kazakhstan, Russia, Ukraine, Belarus |