Around the globe, Hanaoka (ハナオカ 
, Hanaoka 
, Ханаока 
) is a very rare boy's first name. The given name Hanaoka is characteristic of Eastern Asia, particularly China, where it is an extremely rare male name. Very seldom, Hanaoka is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ハナオカ | Japan |
| Hanaoka | Japan, Indonesia, United States, France, Brazil |
| Ханаока | Ukraine |
| ryu hanaoka Japanese kickboxer |
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