Cognomen Душку (Dushku 
, Душку 
) , all over the world, is quite a rare family name. The family name Душку is habitual in Albania, where it is quite a common surname, Kosovo, where it is quite a rare surname, and Greece. Not in comparison with a country's population, it is commonest in Southern Europe, particularly Albania, Greece, and Italy.
| VARIANT | COUNTRY |
|---|---|
| Dushku | Italy, Kosovo, United States, Greece, Albania |
| Душку | Ukraine |