Family name Hikawa (Hikawa 
) , all around the world, is a very rare surname. The last name Hikawa is habitual in Cambodia, where it is a very rare surname, Brazil, and Canada. In absolute terms, it is commonest in Brazil, the United States, and Cambodia. Also, Hikawa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hikawa | Philippines, Brazil, Japan, United States, China |
| yusuke hikawa researcher |
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| hidemasa hikawa researcher (ORCID 0000-0002-7819-3012) |
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