Surname Hiraka (Hiraka 
) , globally, is quite a rare last name. The surname Hiraka is characteristic of Japan, where it is a rare surname, New Zealand, and Malaysia, where it is a very rare surname. Likewise, Hiraka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hiraka | Japan, Malaysia, United States, India, New Zealand |
| toshitada hiraka researcher |
|
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| kiyohisa hiraka researcher |
|