Cognomen Hiromatsu (Hiromatsu 
) , throughout the world, is a very rare surname. The family name Hiromatsu is characteristic of Japan, where it is a very rare surname, Philippines, where it is an extremely rare surname, and China. Much more frequently, Hiromatsu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hiromatsu | Japan, China, Philippines, United States, India |
| kenji hiromatsu researcher (ORCID 0000-0002-3496-6087) |
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