Last name Troshenko (Troshenko 
, Трошенко 
) , across the world, is a very rare cognomen. The family name Troshenko is characteristic of Kyrgyzstan, where it is a very rare surname, Ukraine, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Troshenko | Russia, Canada |
| Трошенко | Kazakhstan, Russia, Kyrgyzstan, Ukraine |