Cognomen Wassen (Wassen 
, واسن 
, Waßen ) , worldwide, is quite a rare surname. The cognomen Wassen is habitual in Sweden, where it is quite a rare surname, Netherlands, and Germany, where it is a rare surname. Likewise, Wassen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wassen | Germany, Sweden, United States, Netherlands, Ethiopia |
| واسن | Iraq |
| Waßen | Germany |
| Wassén | Sweden |
Vaatwasser, Wahsan, Wascan, Wassan, and Wassèn
|
rogier wassen Dutch tennis player, NL (b. 1976) |
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elena wassen German diver, DE |
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| martin j wassen researcher (b. 1957) |
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| ronald wassen (b. 1967) |
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| simone medina wassen person identified in the Museu da Pessoa collection, BR (b. 1987) |
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| jacqueline wassen NL |
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| christina wassen German diver, DE (b. 1999) |
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