Cognomen Dienko (Dienko 
, Диенко 
) , around the world, is a very rare last name. The family name Dienko is habitual in Eastern Europe, particularly Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Much less frequently, Dienko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dienko | Canada, Russia |
| Диенко | Russia, Ukraine |