Surname Yamagiwa (ヤマギワ 
, Yamagiwa 
) , worldwide, is a rare cognomen. The surname Yamagiwa is habitual in Japan, where it is a very rare surname, the United States, and Canada. In absolute terms, the name is most common in the United States, Japan, and China. More frequently, Yamagiwa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ヤマギワ | Japan |
| Yamagiwa | Canada, Philippines, United States, Japan, China |
| joseph koshimi yamagiwa Professor of Japanese at the University of Michigan (1906-1968) (b. 1906) |
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| ryo yamagiwa researcher |
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| suewo yamagiwa botanist |
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| yoko yamagiwa researcher |
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| yoshinori yamagiwa researcher (ORCID 0000-0001-9552-0217) |
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| satoshi yamagiwa researcher |
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| shin'e yamagiwa Japanese educational theorist |
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| daiki yamagiwa rugby player (b. 1997) |
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