Family name Деван (Devan 
, Dewan 
, Деван 
) , throughout the world, is a widespread cognomen. The last name Деван is characteristic of Qatar, where it is quite a common surname, Nepal, and Bangladesh (explore the name in all countries). In absolute terms, it most frequently occurs in Southern Asia, particularly India, Bangladesh, and Nepal. Likewise, Деван is the forename as well as the last name.