Cognomen Nonaka (ノナカ 
, Nonaka 
, Нонака 
) , around the globe, is quite a rare last name. The last name Nonaka is habitual in Brazil, where it is a rare surname, Japan, and Singapore. In absolute terms, this name is the most popular in Brazil, Japan, and the United States. More frequently, Nonaka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ノナカ | Japan |
| Nonaka | China, Brazil, Indonesia, United States, Japan |
| Нонака | Russia |
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kingo nonaka Mexican medic and photographer, MX (b. 1889) |
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tori nonaka American sport shooter, US (b. 1995) |
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| gokū nonaka (b. 1951) |
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| kōichi nonaka Japanese candidate (b. 1963) |
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| reiko nonaka JP (b. 1969) |
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| yuji nonaka researcher |
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| kazuhisa nonaka researcher |
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| tetsushi nonaka researcher |
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| takahiro nonaka researcher (ORCID 0000-0003-1320-6190) |
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| yukiko nonaka researcher (ORCID 0000-0002-0354-1115) |
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| hidenori nonaka researcher |
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| toshihiro nonaka nuclear physicist |
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| masaru nonaka Japanese entomologist, JP |
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| kumiko nonaka researcher (ORCID 0000-0002-1862-1804) |
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| yasuhiro nonaka researcher |
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