Cognomen Grampp (Grampp 
) , worldwide, is a rare surname. The last name Grampp is characteristic of Cayman Islands, where it is quite a common surname, Germany, where it is a rare surname, and Switzerland. In absolute terms, it is the most numerous in Germany, the United States, and France.
| VARIANT | COUNTRY |
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| Grampp | Austria, Germany, France, United States, Switzerland |
| hank grampp Major League Baseball pitcher (1903-1986), US (b. 1903) |
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| william d. grampp American economist (1914–2019) (b. 1914) |
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| mathilde grampp researcher (ORCID 0000-0001-5423-8960) |
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| william dyer grampp Ph.D. The University of Chicago 1944 |
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| steffen grampp researcher |
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| thomas grampp DE (b. 1974) |
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| sven grampp DE |
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| lena grampp German association football player, DE |
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