All around the world, Haku-Koku (Haku-Koku 
) is an extremely rare unknown gender first name. More frequently, Haku-Koku is the last name as well as the forename. Parts of the name also exists independently as a first name Haku, and a first name Koku.
| VARIANT | COUNTRY |
|---|---|
| Haku-Koku | Japan |