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Surname كيفر (Kiefer , Kifer , Keefer ) , in the entire world, is a common cognomen. The family name كيفر is habitual in Germany, where it is quite a common surname, Luxembourg, and Eswatini (explore the name in all countries). In absolute terms, it is commonest in Germany, the United States, and Brazil. Much less frequently, كيفر is the forename as well as the last name.