Last name Higashihara (Higashihara 
) , all over the world, is a rare surname. The last name Higashihara is characteristic of Japan, where it is a very rare surname, the United States, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Japan, the United States, and Brazil. Also, Higashihara is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Higashihara | Japan, China, United States, Canada, Brazil |
Higashibara, Siuhara, Tobara, Tohara, Touhara, Unohara, Хигашихара, and ヒガシハラ
| tomoya higashihara researcher |
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| ayako higashihara researcher, ORCID id # 0000-0002-8634-0959 |
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| kazuki higashihara 東原一輝 |
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| mana higashihara researcher (ORCID 0000-0001-8015-2028) |
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| hiroshi higashihara researcher |
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| eiji higashihara researcher (ORCID 0000-0002-6663-9910) |
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| hisayo higashihara researcher |
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