Family name Christiaens (Christiaens 
, คริสเตียน 
) , around the globe, is quite a common surname. The last name Christiaens is habitual in Western Europe, particularly Belgium, where it is quite a common surname, Luxembourg, where it is quite a rare surname, and Netherlands. Not in comparison with a country's population, it most frequently occurs in Western Europe, particularly Belgium, France, and Netherlands. Much less frequently, Christiaens is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Christiaens | Germany, France, United States, Netherlands, Belgium |
| คริสเตียน | Thailand |
Christiaëns, and Чристиаенс
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elsje christiaens Executed Danish murderer, NL (b. 1646) |
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| pierre christiaens Belgian politician, BE (b. 1794) |
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mathieu christiaens Belgian architect (1865-1934), BE (b. 1865) |
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| alexis christiaens BE (b. 1820) |
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josef christiaens engineer, racecar driver, aviator, BE (b. 1882) |
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| benjamin christiaens Roman Catholic bishop (1844-1931) (b. 1844) |
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| ferdinand frederic christiaens recipient of the Honorary Medal for Charitable Assistance, BE (b. 1848) |
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| jan christiaens Dutch Righteous Among the Nations, NL (b. 1884) |
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| edmond christiaens BE (b. 1879) |
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| hendrica christiaens Dutch Righteous Among the Nations, NL (b. 1889) |
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| louis christiaens French politician (1890-1975), FR (b. 1890) |
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| jozef christiaens Belgian missionary (1898-1989), BE (b. 1898) |
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| andré gerard christiaens Belgian poet, BE (b. 1905) |
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| frans christiaens Belgian politician (1908-1977), BE (b. 1908) |
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| adèle christiaens fencer, BE (b. 1909) |
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