Cognomen Christiaans (Christiaans 
) , all over the world, is quite a rare family name. The family name Christiaans is habitual in Aruba, where it is quite a common surname, Namibia, where it is quite a rare surname, and Netherlands. Not in comparison with a country's population, this name is the most popular in Netherlands, South Africa, and Namibia.
| VARIANT | COUNTRY |
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| Christiaans | Netherlands, Aruba, South Africa, Germany, Namibia |
| hans christiaans NL (b. 1550) |
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| henri christiaans NL (b. 1947) |
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| cees christiaans NL (b. 1956) |
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| willem christiaans (b. 1961) |
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| imke christiaans researcher |
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| henri christiaans researcher |
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| maarten h l christiaans researcher |
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| johannes a m christiaans researcher |
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| cindy christiaans |
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