Cognomen Soyama (Soyama 
) , across the world, is a rare last name. The surname Soyama is characteristic of South Africa, where it is a rare surname, Ethiopia, where it is a very rare surname, and Brazil. Also, Soyama is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Soyama | Brazil, India, Japan, Ethiopia, South Africa |
| hitoshi soyama researcher |
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| akihiko soyama researcher (ORCID 0000-0003-2932-4300) |
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| hiroaki soyama researcher |
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