Cognomen Kashiwahara (Kashiwahara 
) , around the world, is a rare surname. The last name Kashiwahara is characteristic of Japan, where it is a rare surname, the United States, where it is an extremely rare surname, and Philippines.
| VARIANT | COUNTRY |
|---|---|
| Kashiwahara | Japan, United States, Philippines |
| ken kashiwahara American broadcast journalist, US (b. 1940) |
|