Surname Arens (Arens 
, ארנס 
, Аренс 
) , all around the world, is a common cognomen. The family name Arens is habitual in Greenland, where it is quite a common surname, Luxembourg, and Germany, where it is quite a rare surname. In absolute terms, this name is the most popular in Germany, the United States, and Netherlands. Much less frequently, Arens is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arens | Germany, Netherlands, France, United States, Belgium |
| ארנס | Israel |
| Аренс | Ukraine, Russia, Kyrgyzstan |
| marten arens NL (b. 1500) |
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| johann caspar arens (b. 1632) |
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| anna elisabeth arens (b. 1640) |
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| arens, johann (b. 1675) |
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| johann august arens German architect (1757-1806), DE (b. 1757) |
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| franz joseph von arens German jurist and politician (1779-1855), DE (b. 1779) |
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henry m. arens American politician (1873-1963), US (b. 1873) |
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| thomas heinrich arens (b. 1817) |
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albert arens NL (b. 1881) |
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| hermanus josephus aloysius arens NL (b. 1845) |
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| franz xaver arens American conductor, composer, and voice teacher of German birth, DE (b. 1856) |
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fritz arens German art historian, DE (b. 1912) |
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| johan henri arens recipient of the Honorary Medal for Charitable Assistance, NL (b. 1862) |
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| gustav arens (1867-1936) (b. 1867) |
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richard friederich arens American mathematician (1919-2000), US (b. 1919) |
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