Family name Gnidenko (Gnidenko 
, Гниденко 
) , all around the world, is quite a rare surname. The surname Gnidenko is characteristic of Estonia, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Russia. In absolute terms, it is the most numerous in Russia, Ukraine, and Kazakhstan. Very seldom, Gnidenko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gnidenko | China, Estonia, United States, Russia, Ukraine |
| Гниденко | Kazakhstan, Belarus, Kyrgyzstan, Russia, Ukraine |