Cognomen Okabayasi (オカバヤシ 
, Okabayasi 
) , around the globe, is a very rare surname. The last name Okabayasi is habitual in Japan, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Predominantly, Okabayasi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| オカバヤシ | Japan |
| Okabayasi | China, Brazil |