In the entire world, 水原 (水原 
, Mizuhara 
) is a rare gender-neutral first name. The first name 水原 is characteristic of Eastern Asia, particularly China, where it is a very rare gender-neutral name. Likewise, 水原 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 水原 | China |
| Mizuhara | Indonesia, Canada, United States, Philippines, China |
水原 is also a name for the fictitious and mythical characters: .
| 水原親憲 JP (b. 1546) |
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| 水原親清 JP (b. 1583) |
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水原 秋桜子 Japanese poet and writer, JP (b. 1892) |
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水原茂 Japanese baseball player, JP (b. 1909) |
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| 水原浩一 Japanese actor (1909-1969), JP (b. 1909) |
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| 水原玲子 Japanese actor (1911-1935), JP (b. 1911) |
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| 水原泰介 Japanese psychologist (1921-1989), JP (b. 1921) |
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| 水原春郎 Japanese poet, JP (b. 1922) |
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| 水原明窗 Japanese philatelist, JP (b. 1924) |
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水原一平 Japanese interpreter, JP (b. 1984) |
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| 水原一 JP (b. 1925) |
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| 水原弘 Japanese singer and actor (1935-1978), JP (b. 1935) |
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水原ゆき Japanese actress, JP (b. 1987) |
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水原 希子 American-Japanese actress, singer and model, US (b. 1990) |
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| 水原英子 Japanese actress (1942-2008), JP (b. 1942) |
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