In all the world, 清原 (清原 
, Kiyohara 
) is a rare dominantly male, but infrequently female first name. The first name 清原 is characteristic of Eastern Asia, particularly China, where it is a very rare dominantly boy's, but uncommonly feminine name. Likewise, 清原 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 清原 | China |
| Kiyohara | Brazil, China, United States, Hong Kong, Japan |
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清原頼業 JP (b. 1122) |
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清原 康平 Japanese Army officer (1914-2001), JP (b. 1914) |
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清原慶子 Japanese politician, JP (b. 1951) |
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清原和博 baseball player, JP (b. 1967) |
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| 清原 初男 Japanese baseball player, JP (b. 1917) |
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清原武則 Busho (Japanese military commander) and Fushū-chō (a chief of barbarians) in the late Heian period, JP |
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| 清原雄一 Japanese baseball player, JP (b. 1969) |
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| 清原正博 JP (b. 1965) |
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| 清原 万里江 Japanese association football player (1987-), JP (b. 1987) |
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| 清原清定 JP |
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| 清原奈侑 Japanese softball player, JP (b. 1991) |
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| 清原 果耶 Japanese actress, JP |
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