Last name Djachenko (Дяченко 
, Djachenko 
) , worldwide, is a common family name. The cognomen Djachenko is habitual in Eastern Europe, particularly Ukraine, where it is quite a common surname, Russia, where it is quite a rare surname, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Дяченко | Kazakhstan, Ukraine, Belarus, Kyrgyzstan, Russia |
| Djachenko | Australia, North Macedonia, Ukraine |