Last name Дужин (Дужин 
) , in all the world, is an extremely rare surname. The family name Дужин is habitual in Eastern Europe, particularly Ukraine, where it is an extremely rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Дужин | Russia, Ukraine |
| дужин, сергей васильевич Russian mathematician, BY (b. 1956) |
|