Surname Hayashi (林 
, ハヤシ , Hayashi 
) , around the world, is a prevalent last name. The family name Hayashi is characteristic of Eastern Asia, particularly China, where it is a widespread surname, Hong Kong, where it is quite a rare surname, and Japan. Not in comparison with a country's population, it is commonest in China, Japan, and Brazil. Much less frequently, Hayashi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 林 | Japan, China |
| ハヤシ | Japan |
| Hayashi | China, Japan, Indonesia, United States, Brazil |
| Хаяси | Russia |
Haya, Hayasi, Lam, Lim, Lin, Lum, Lâm, Lìng, Lín, Lîm, Mori, Rimu, Shige, Shigeru, Shin, Sige, Sigeru, Sin, Yau, Šin, Лин, Линь, Лінь, Мори, Морі, Сигэру, Син, Хайя, Хаяши, Хаяші, ליין, לין, מורי, لين, موري, ইমু, রিমু, লিন, ฮายาชิ, แซ่หลิน, しげ, しげる, モリ, モーリ, リン, 守, 林氏, 森, 母里, 毛利, and 盛
| yoshikatsu hayashi (b. 1534) |
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| dōei hayashi JP (b. 1640) |
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| hachiemon hayashi (b. 1767) |
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hayashi goichi Japanese educator (b. 1851) |
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| ryōsai hayashi (b. 1807) |
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| yūzō hayashi (b. 1813) |
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| kinbē hayashi (1825-1881) (b. 1825) |
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| hayashi atsunori politician (1828-1890) (b. 1828) |
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roichi hayashi politician (b. 1890) |
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shizuya hayashi United States Army Medal of Honor recipient, US (b. 1917) |
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joe hayashi United States Army Medal of Honor recipient, US (b. 1920) |
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| heijirō hayashi (b. 1861) |
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| yoshiaki hayashi (b. 1890) |
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| hayashi tadayoshi Japanese politician (b. 1902) |
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marc hayashi American actor, US (b. 1957) |
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