Family name 清 (清 
, Kiyoshi 
, Koishi 
) , in the world, is a widespread last name. The cognomen 清 is habitual in Eastern Asia, particularly China, where it is quite a common surname, Japan, where it is quite a rare surname, and Hong Kong, where it is a rare surname. In absolute terms, it is the most numerous in China, Japan, and Indonesia. Also, 清 is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Qīng, 清 | China |
| Kiyoshi | Brazil, Japan, Indonesia, United States, China |
| Koishi | Brazil, Mexico, Japan, United States, China |
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松浦 清 daimyo of mid- to late-Edo period; 9th lord of Hirado; famous as author and swordsman (1760-1841), JP (b. 1760) |
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鈴木 清 Japanese businessman, JP (b. 1848) |
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宮原 清 First President of the Japan Amateur Baseball Association (1882-1963), JP (b. 1882) |
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| 山形 清 Japanese diplomat, JP (b. 1893) |
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| 多田 清 Japanese businessman, JP (b. 1905) |
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| 市村 清 JP (b. 1900) |
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| 堤 清 1913, JP (b. 1914) |
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| 露木 清 JP (b. 1913) |
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| 西部 清 Japanese actor (1931-2004), JP (b. 1931) |
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| 岸部 清 Japanese singer and businessman (1931-2019). ex-member of Tokyo Western Boys, JP (b. 1931) |
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| 佐川 清 JP (b. 1922) |
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| 西川 清 Japanese businessperson (1938-2005), JP (b. 1938) |
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| 飯島 清 (b. 1930) |
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| 安藝 清 Japanese businessman, JP (b. 1947) |
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| 白石 清 JP |
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