Family name Zack (Zack 
, זק 
, ザック 
, along with others...) , worldwide, is a common cognomen. The surname Zack is characteristic of Brunei, where it is quite a common surname, Israel, where it is quite a rare surname, and Malaysia. Not in comparison with a country's population, it is commonest in the United States, Indonesia, and Russia. More prevalently, Zack is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Zack | Malaysia, Indonesia, United States, Kenya, Algeria |
| זק | Israel |
| ザック | Japan |
| 扎克 | China |
| زاك | Saudi Arabia, Yemen, Syria, Algeria, Morocco |
| Зак | Kazakhstan, Russia, Israel, Belarus, Ukraine |
| viktor zack Austrian teacher, AT (b. 1854) |
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arnold m. zack arbitrator and mediator of labor management, US (b. 1931) |
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| emilie zack holocaust victim, b. 1892-05-10, DE (b. 1892) |
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| georg zack holocaust victim, b. 1893-11-09, DE (b. 1893) |
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| franz zack AT (b. 1884) |
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| eugen zack (b. 1885) |
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| george zack American singer, US (b. 1910) |
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| irène zack French sculptor, FR (b. 1918) |
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| eddie zack American singer, US (b. 1922) |
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debra jeske zack American rheumatologist, US |
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michael zack politician in Massachusetts, US, US |
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| david zack American and Canadian artist, art historian, educator (1938–1995), US (b. 1938) |
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| bruno zack (b. 1930) |
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| naomi zack American philosopher, US (b. 1944) |
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| ludwig zack AT (b. 1934) |
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