Surname Kozyanko (Kozyanko 
, Козянко 
) , around the globe, is a rare family name. The last name Kozyanko is habitual in Eastern Europe, particularly Ukraine, where it is a rare surname, Belarus, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Kozyanko | Russia |
| Козянко | Ukraine, Belarus, Russia |