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Last name Hayen (Hayen ) , all around the world, is quite a rare family name. The cognomen Hayen is characteristic of Western Europe, particularly Belgium, where it is quite a rare surname, Luxembourg, and Germany, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Belgium, Germany, and the United States. Much less frequently, Hayen is the forename as well as the last name.