Surname Doujii (Doujii 
, Дужий 
) , throughout the world, is a rare cognomen. The family name Doujii is habitual in Ukraine, where it is a rare surname, Russia, where it is a very rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Doujii | United States |
| Дужий | Kazakhstan, Ukraine, Russia |