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Cognomen Hausmann (Hausmann , Хаусман , האוסמן ) , all around the world, is a common last name. The cognomen Hausmann is habitual in Martinique, where it is quite a common surname, Germany, and Switzerland, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Austria. Much less frequently, Hausmann is the forename as well as the last name.