Cognomen Tachenko (Таченко 
, Tachenko 
) , throughout the world, is a rare family name. The family name Tachenko is characteristic of Ukraine, where it is a rare surname, Greece, where it is a very rare surname, and Russia. Measured by absolute frequency, the name is most common in Ukraine, Russia, and the United States. Much less frequently, Tachenko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Таченко | Kazakhstan, Russia, Ukraine |
| Tachenko | Greece, Russia, United States, Ukraine |