Cognomen Rybachenko (Рыбаченко 
, Rybachenko 
) , in the entire world, is quite a rare last name. The last name Rybachenko is habitual in Belarus, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Russia. Much less frequently, Rybachenko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Рыбаченко | Ukraine, Kazakhstan, Belarus, Russia, Kyrgyzstan |
| Rybachenko | Ukraine, Estonia, Belarus, Russia, United States |