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Family name Klammer (Klamra , Klammer , Кламмер ) , worldwide, is quite a rare cognomen. The family name Klammer is habitual in Austria, where it is quite a common surname, Liechtenstein, and Estonia, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Germany, Austria, and the United States. Very seldom, Klammer is the forename as well as the last name.