Cognomen Нехаиенко (Нехаиенко 
) , in the entire world, is an extremely rare surname. The family name Нехаиенко is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Нехаиенко | Russia |
Nechaienko, Nekhaienko, and Nekhayenko