Cognomen Kloppenborg (Kloppenborg 
) , around the world, is a rare last name. The family name Kloppenborg is characteristic of Netherlands, where it is quite a rare surname, Denmark, and Germany, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Germany, Netherlands, and the United States.
| VARIANT | COUNTRY |
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| Kloppenborg | Germany, Netherlands, South Africa, Denmark, United States |
| h.d. kloppenborg DK (b. 1802) |
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anders kloppenborg (b. 1951) |
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| j.p.f.h. kloppenborg NL (b. 1917) |
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| ria kloppenborg born:1945|died:2003|; Kloppenborg, Ria.; Kloppenborg, Ria (Maria Anna Geertruida Theresia), 1945-2003, NL (b. 1945) |
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| john s. kloppenborg Canadian academic, CA (b. 1951) |
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| monika kloppenborg DE (b. 1967) |
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| julie t kloppenborg researcher |
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| brian kloppenborg researcher ORCID ID = 0000-0003-0350-5453 |
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| p.w.c. kloppenborg |
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| lukas sulaj kloppenborg DK |
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