Family name Barnick (Barnick 
) , in the world, is quite a rare last name. The family name Barnick is characteristic of Germany, where it is a rare surname, the United States, and Austria. Not in comparison with a country's population, it is the most numerous in the United States, Germany, and India. Much less frequently, Barnick is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Barnick | Canada, India, United States, United Kingdom, Germany |
| otto barnick (b. 1867) |
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| johannes barnick German writer, DE (b. 1916) |
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| roland j. barnick United States Air Force general (1917-1996), US (b. 1917) |
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| hans-heinrich barnick German politician, DE (b. 1943) |
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| diana barnick German association football player, DE |
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| carl friedrich barnick |
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| albert barnick |
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