Cognomen Maekawa (マエカワ 
, Maekawa 
, Маэкава 
) , in all the world, is quite a rare last name. The cognomen Maekawa is habitual in Japan, where it is a rare surname, Estonia, and South Korea. Measured by absolute frequency, the name is most common in Japan, Brazil, and the United States. More frequently, Maekawa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| マエカワ | Japan |
| Maekawa | Brazil, South Korea, United States, Japan, Indonesia |
| Маэкава | Russia |
| maekawa bunrei Japanese artist (b. 1837) |
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| tokijiro maekawa Japanese botanist (1886-1977), JP (b. 1886) |
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| sadamichi maekawa researcher, JP (b. 1946) |
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| tsuyoshi maekawa (b. 1936) |
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| koichi maekawa (b. 1938) |
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| yōko maekawa Japanese singer (b. 1950) |
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| nitaro maekawa botanist (b. 1954) |
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| aya maekawa researcher |
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| shun maekawa researcher |
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| f. maekawa mycologist |
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| toshihiko maekawa researcher (ORCID 0000-0001-8047-7498) |
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| hiromi maekawa researcher (ORCID 0000-0002-0175-1610) |
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| keiko maekawa researcher (ORCID 0000-0003-4857-4137) |
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| hirofumi maekawa researcher |
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| yoichi maekawa researcher |
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