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Family name Dunkel (Dunkel
, Dunker
, דונקל
) , throughout the world, is a common cognomen. The family name Dunkel is characteristic of Suriname, where it is quite a common surname, Germany, and Switzerland, where it is quite a rare surname. In absolute terms, it is commonest in Germany, the United States, and Brazil. Very seldom, Dunkel is the forename as well as the last name.