Family name Yonehara (Yonehara 
, 米原 ) , around the globe, is a rare surname. The cognomen Yonehara is habitual in Indonesia, where it is a very rare surname, Brazil, and the United States. Likewise, Yonehara is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yonehara | Japan, China, Indonesia, United States, Brazil |
| 米原 | China |
| kiyoo yonehara (b. 1899) |
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| takehiro yonehara researcher |
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| keisuke yonehara researcher |
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