Surname Hisaaki (Hisaaki 
) , in the world, is a rare family name. The cognomen Hisaaki is characteristic of Eastern Asia, particularly Japan, where it is a very rare surname, and China, where it is an extremely rare surname. Likewise, Hisaaki is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hisaaki | Japan, Brazil, China, United States |