Surname Plakhtiienko (Plakhtiienko 
) , throughout the world, is an extremely rare family name. The cognomen Plakhtiienko is habitual in Eastern Europe, particularly Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Plakhtiienko | Ukraine |
Плахтииенко, Плахтиєнко, and Плахтієнко