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Family name Riesen (Riesen
, 里森
) , around the world, is quite a rare surname. The last name Riesen is habitual in Western Europe, particularly Liechtenstein, where it is quite a common surname, Switzerland, and Netherlands, where it is quite a rare surname. In absolute terms, the name is most common in Switzerland, Germany, and the United States. Much less frequently, Riesen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Riesen | Netherlands, Switzerland, France, United States, Germany |
| 里森 | China |