Family name Hamsen (Hamsen 
) , globally, is a rare last name. The cognomen Hamsen is characteristic of Germany, where it is a rare surname, Denmark, and Malaysia. In absolute terms, this name is the most popular in Germany, Indonesia, and Malaysia. Also, Hamsen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hamsen | Germany, Indonesia, Malaysia, United States, India |
| louis hamsen botanist |
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| uwe hamsen researcher (ORCID 0000-0002-6967-7816) |
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| christoph hamsen German physicist, DE |
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