Family name Hayakawa (ハヤカワ 
, Hayakawa 
, 早川 ) , throughout the world, is quite a rare cognomen. The surname Hayakawa is characteristic of Paraguay, where it is quite a rare surname, Portugal, where it is a rare surname, and Japan. In absolute terms, it is the most numerous in Japan, Brazil, and the United States. More prevalently, Hayakawa is the forename as well as the last name.
| VARIANT | COUNTRY |
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| ハヤカワ | Japan |
| Hayakawa | Japan, Brazil, China, Paraguay, United States |
| 早川 | China |
| Хаякава | Ukraine |
| hayakawa shōkosai i Japanese bamboo artist, JP (b. 1815) |
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s. i. hayakawa Canadian-American academic and politician (1906–1992), US (b. 1906) |
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| miki hayakawa 1899 - 1953 | American | Asian | Painter (b. 1899) |
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| giichirō hayakawa (b. 1905) |
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| jirō hayakawa (b. 1906) |
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| osamu hayakawa (b. 1919) |
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hiromi hayakawa Japanese-Mexican actress (1982-2017), MX (b. 1982) |
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| shigeru hayakawa (b. 1925) |
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| shōkosai hayakawa (b. 1932) |
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| norio hayakawa Activist, ufologist, musician, US (b. 1944) |
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| hisao hayakawa (b. 1940) |
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| tadashi hayakawa (b. 1941) |
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| kazuhiro hayakawa (b. 1948) |
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| edson hayakawa Brazilian association football player, BR (b. 1967) |
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| atsuko hayakawa (b. 1960) |
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