Cognomen Хиллен (Hillen 
, Хиллен 
) , in the entire world, is quite a common last name. The cognomen Хиллен is characteristic of Western Europe, particularly Netherlands, where it is quite a rare surname, Belgium, and Germany. Measured by absolute frequency, it most frequently occurs in Germany, the United States, and Netherlands. Much less frequently, Хиллен is the forename as well as the last name.