Last name Hamakawa (Hamakawa 
) , around the globe, is a rare surname. The cognomen Hamakawa is habitual in Canada, where it is a very rare surname, the United States, and Brazil, where it is an extremely rare surname. Very seldom, Hamakawa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hamakawa | Brazil, Philippines, China, Canada, United States |
| hiroyuki hamakawa researcher |
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| masayuki hamakawa researcher (ORCID 0000-0003-1823-8394) |
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| takuya hamakawa researcher |
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| hiroshi hamakawa researcher (ORCID 0000-0001-5850-2407) |
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| nao hamakawa researcher |
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