Last name Дер (Der 
, Duer 
, Дер 
) , in the world, is a common family name. The cognomen Дер is habitual in Netherlands, where it is quite a common surname, Hungary, and Algeria (explore the name in all countries). In absolute terms, it most frequently occurs in Algeria, Netherlands, and Myanmar. Much less frequently, Дер is the forename as well as the last name.