Surname Sumanen (Sumanen 
) , around the globe, is a very rare family name. The last name Sumanen is characteristic of Finland, where it is a rare surname, the United States, where it is an extremely rare surname, and Brazil. Likewise, Sumanen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sumanen | Brazil, United States, Finland, India |
| nadja sumanen Finnish writer, FI (b. 1975) |
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| hilla sumanen researcher (ORCID 0000-0001-9641-6518) |
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| markku sumanen researcher (ORCID 0000-0001-5068-2634) |
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