Cognomen Faensen (Faensen 
) , globally, is a rare family name. The cognomen Faensen is habitual in Germany, where it is a rare surname, and Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Faensen | Germany, Thailand |
| heinrich joseph faensen (b. 1868) |
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| hubert faensen CZ (b. 1928) |
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| barbara faensen DE (b. 1929) |
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| daniel faensen researcher |
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