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 | Malaysia, India, Japan, New Zealand, United States |
| toshitada hiraka researcher |
|
|
| kiyohisa hiraka researcher |
|