Cognomen Wasén (Wasén 
) , in all the world, is a very rare surname. The cognomen Wasén is characteristic of Northern Europe, particularly Sweden, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wasén | Sweden |
| karl wasén SE (b. 1856) |
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| caroline wasén researcher ORCID ID = 0000-0002-8585-8190 |
|
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| kristian wasén (b. 1980) |
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