Surname 德万 (Devan 
, Dewan 
, 德万 
) , in the entire world, is a widespread last name. The family name 德万 is habitual in Qatar, where it is quite a common surname, Nepal, and Bangladesh (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in Southern Asia, particularly India, Bangladesh, and Nepal. Also, 德万 is the forename as well as the last name.