Cognomen Hirukawa (Hirukawa 
) , across the world, is a very rare last name. The cognomen Hirukawa is habitual in Norway, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and Canada. Not in comparison with a country's population, it is commonest in Brazil, China, and the United States. Also, Hirukawa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hirukawa | China, Norway, Malaysia, United States, Brazil |
| masayuki hirukawa Ph.D. University of Wisconsin-Madison 2004, JP (b. 1965) |
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| masaki hirukawa researcher |
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| hidenori hirukawa researcher |
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| hisashi hirukawa researcher (ORCID 0000-0001-9057-6609) |
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