Family name Klauck (Klauck 
) , across the world, is quite a rare last name. The family name Klauck is habitual in Germany, where it is quite a rare surname, Brazil, where it is a rare surname, and Canada. Not in comparison with a country's population, it is commonest in Brazil, Germany, and the United States.
| VARIANT | COUNTRY |
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| Klauck | Canada, Brazil, United States, Argentina, Germany |
| erich a. klauck PL (b. 1897) |
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| fritz klauck German politician (1923-1967), DE (b. 1923) |
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| horst klauck German association football player (1931-2004), DE (b. 1931) |
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| hans-josef klauck American historian, DE (b. 1946) |
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| eberhard-johannes klauck (b. 1954) |
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| hartmut klauck researcher |
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| sabine m klauck researcher |
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| ronny klauck Dr.-Ing. Brandenburgische Technische Universität Cottbus 2016 |
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| vanderlei klauck researcher |
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| hartmut klauck Dr. Johann Wolfgang Goethe-Universität Frankfurt am Main 2001 |
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| cláudia regina klauck researcher |
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| felix j r klauck researcher |
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| christoph klauck German university teacher, DE |
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