Family name Cassen (Cassen 
, Casser 
, 卡森 
) , in all the world, is quite a rare cognomen. The last name Cassen is characteristic of France, where it is a rare surname, Germany, and Australia. In absolute terms, the name is most common in France, Brazil, and the United States. Very seldom, Cassen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cassen | Brazil, United Kingdom, United States, Germany, France |
| Casser | Brazil, Philippines, United States, Germany, France |
| 卡森 | China |
|
cassen eils DE (b. 1923) |
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| benedict cassen American physicist, US (b. 1902) |
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pierre cassen FR (b. 1953) |
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| robert cassen British economist, GB (b. 1935) |
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| bernard cassen French journalist, FR (b. 1937) |
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| serge cassen French archaeologist (b. 1957) |
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| armelle cassen badminton player, FR (b. 1970) |
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| christelle cassen Ph.D. Université Bordeaux 1 2001 |
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| flora cassen |
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| christopher cassen French rugby union player (1999-), FR (b. 1999) |
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