Family name דושאן (Dušan 
, Duchamp 
, דושאן 
) , across the world, is quite a rare last name. The cognomen דושאן is characteristic of Serbia, where it is quite a rare surname, France, and Slovakia. In absolute terms, it most frequently occurs in France, Ivory Coast, and Serbia. More frequently, דושאן is the forename as well as the last name.