Cognomen Juncker (Juncker 
, 容克 
, Юнкер 
) , throughout the world, is quite a rare family name. The last name Juncker is characteristic of Luxembourg, where it is quite a rare surname, Denmark, and Kazakhstan. Not in comparison with a country's population, it is the most numerous in France, Denmark, and Germany. Very seldom, Juncker is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Juncker | Germany, Denmark, United States, France, Brazil |
| 容克 | China |
| Юнкер | Kyrgyzstan, Kazakhstan, Russia |
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christian juncker German writer and historian, DE (b. 1668) |
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| juncker von oberkunreuth DE (b. 1615) |
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johann juncker German physician and chemist (1679-1759), DE (b. 1679) |
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| johann matthaeus juncker DE (b. 1629) |
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| johann michael juncker German painter (1640-1676), DE (b. 1640) |
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justus juncker German painter (1703–1767), DE (b. 1703) |
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| sebastian juncker (b. 1644) |
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| johann philipp juncker German theologian and assessor, DE (b. 1660) |
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| johann georg juncker German jurist, DE (b. 1662) |
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| charlotte sophie juncker (b. 1667) |
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| johann ludwig juncker (b. 1690) |
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| johann eberhard juncker DE (b. 1691) |
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| gottlob friedrich wilhelm juncker German scientist, DE (b. 1705) |
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| isaak juncker German artist, 1727-1789, DE (b. 1723) |
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| friedrich christian juncker German physician (1730-1770), DE (b. 1730) |
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