Family name Hammacher (Hammacher 
) , around the world, is quite a rare surname. The family name Hammacher is characteristic of Germany, where it is a rare surname, Netherlands, and Brazil, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Germany, Brazil, and the United States. Much less frequently, Hammacher is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Hammacher | Germany, United States, France, Brazil, Netherlands |
| rudolf hammacher DE (b. 1528) |
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friedrich hammacher German politician (Liberal) (1824-1904), DE (b. 1824) |
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bram hammacher Dutch art critic and art historian, NL (b. 1897) |
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| karl von hammacher DE (b. 1852) |
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| emil hammacher German philosopher (1885–1916) (b. 1885) |
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| rudolf hammacher German actor, born 11 January 1893, died 2 February 1971. (b. 1893) |
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| erich hammacher DE (b. 1884) |
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| rudolf hammacher (b. 1913) |
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| arno hammacher Dutch photographer (1927-2017), NL (b. 1927) |
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| konrad hammacher German gynecologist, DE (b. 1928) |
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| wilfried hammacher DE (b. 1928) |
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| christiane hammacher German actress, DE (b. 1939) |
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| klaus hammacher DE (b. 1930) |
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| silvia hammacher DE (b. 1935) |
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| winfried hammacher film producer |
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