Cognomen 一雄 (一雄 
, Yixiong 
) , across the world, is a rare surname. The last name 一雄 is characteristic of China, where it is a very rare surname, Spain, and Chile, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in China, Spain, and France. More frequently, 一雄 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 一雄 | China |
| Yixiong | France, Spain, Singapore, United States, China |
| 船田 一雄 Japanese businessman (1877-1950), JP (b. 1877) |
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| 西岡 一雄 JP (b. 1886) |
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| 佐竹 一雄 Japanese baseball player, JP (b. 1925) |
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| 渕上 一雄 JP (b. 1951) |
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| 松浦 一雄 Japanese engineer, JP (b. 1962) |
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| 中西 一雄 Japanese motorcycle rider, JP |
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