Last name Ahven (Ахвен 
, Ahven 
) , in the world, is a rare cognomen. The cognomen Ahven is habitual in Northern Europe, particularly Estonia, where it is quite a common surname, Finland, where it is a rare surname, and Sweden. Not in comparison with a country's population, it is the most numerous in Estonia, Finland, and Russia. Very seldom, Ahven is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ахвен | Russia |
| Ahven | Sweden, Finland, Estonia, United States |
| hans ahven (b. 1883) |
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| kalju ahven Estonian poet (1921-1946), EE (b. 1921) |
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| eeva ahven Estonian linguist, EE (b. 1924) |
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| viktor ahven Finnish amateur wrestler, FI (b. 1929) |
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| heino ahven (b. 1919) |
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reigo ahven Estonian musician, EE (b. 1982) |
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| mati ahven Estonian politician and engineer, EE (b. 1943) |
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| henrik ahven EE (b. 1935) |
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