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Surname كيسر (Keiser , Kiser , كيسر ) , worldwide, is a common last name. The last name كيسر is habitual in Switzerland, where it is quite a common surname, Luxembourg, where it is quite a rare surname, and the United States. In absolute terms, it most frequently occurs in the United States, Switzerland, and Germany. Likewise, كيسر is the forename as well as the last name.