Last name Kuwayama (Kuwayama 
, くわやま) , throughout the world, is a rare surname. The surname Kuwayama is characteristic of Singapore, where it is a rare surname, Hungary, where it is a very rare surname, and Japan. Measured by absolute frequency, it is commonest in Japan, Indonesia, and the United States. Also, Kuwayama is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Kuwayama | Belgium, Brazil, Japan, Indonesia, United States |
| george kuwayama American scholar, US (b. 1925) |
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| david p kuwayama researcher |
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| toshihiro kuwayama researcher (ORCID 0000-0002-0540-0156) |
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| takashi kuwayama researcher (ORCID 0000-0002-6992-6552) |
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| yusuke kuwayama researcher |
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| shinji kuwayama Japanese ichthyologist, JP |
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| teru kuwayama American photographer, US |
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| kenji kuwayama researcher |
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| shigeru kuwayama Japanese entomologist |
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| hidekazu kuwayama researcher |
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| tomi kuwayama nutritionist, high school teacher, board member of the Craft and Folk Art Museum, US |
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| soichiro kuwayama researcher (ORCID 0000-0001-7758-6327) |
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| yasuhiro kuwayama researcher |
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