Cognomen Djen (جن 
, Djen 
, Джен 
) , worldwide, is quite a common family name. The family name Djen is characteristic of Northern Africa, particularly Sudan, where it is quite a rare surname, Egypt, and Algeria, where it is a rare surname. In absolute terms, the name is most common in Indonesia, Egypt, and Sudan. Also, Djen is the forename as well as the last name.