Surname Nechaenko (Nechaenko 
, Нечаенко 
) , all over the world, is a rare last name. The family name Nechaenko is characteristic of Kyrgyzstan, where it is a rare surname, Russia, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Nechaenko | Russia, Ukraine |
| Нечаенко | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |