Surname ديوان (Dewan 
, Diwan 
, Duen 
) , in the entire world, is a widespread cognomen. The family name ديوان is characteristic of Qatar, where it is quite a common surname, Nepal, and Bangladesh (explore the name in all countries). Not in comparison with a country's population, it is commonest in Southern Asia, particularly India, Bangladesh, and Nepal. Likewise, ديوان is the forename as well as the last name.