Around the world, Onohara (Onohara 
) is a very rare boy's first name. The forename Onohara is habitual in Eastern Asia, particularly China, where it is an extremely rare male name. Likewise, Onohara is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Onohara | China, Brazil, Canada, United States, Japan |