Surname Haack (哈克 
, Haack 
, Хаак 
) , all over the world, is a common last name. The surname Haack is characteristic of Germany, where it is quite a common surname, Denmark, where it is quite a rare surname, and Australia. Not in comparison with a country's population, it most frequently occurs in Germany, the United States, and Brazil. Much less frequently, Haack is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 哈克 | China |
| Haack | Australia, Germany, Denmark, Brazil, United States |
| Хаак | Russia, Ukraine, Belarus |
| pieter haack 1600 'Hensbergen' - 22 Apr 1671 Amsterdam (b. 1600) |
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| daniel haack (b. 1628) |
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| johann friedrich joseph haack City physicist in Fulda and member of the Leopoldina, DE (b. 1650) |
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| johann caspar haack (b. 1670) |
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karl friedrich heinrich haack German composer (1755-1819), DE (b. 1755) |
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| petrus haack Haack, Petrus, 1747-1824, NL (b. 1747) |
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| johanna dorothea haack (b. 1747) |
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| friedrich haack (b. 1760) |
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| friedrich wilhelm haack DE (b. 1765) |
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| christian friedrich haack (b. 1802) |
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magnus haack German politician (1869-1931), DE (b. 1869) |
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| bernard haack American politician, US (b. 1820) |
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hermann haack German geographer, DE (b. 1872) |
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| rudolph haack German engineer, DE (b. 1833) |
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| friedrich haack German photographer (b. 1841) |
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