Last name Uchikawa (Uchikawa 
) , worldwide, is a rare cognomen. The family name Uchikawa is characteristic of Hong Kong, where it is a rare surname, Singapore, where it is a very rare surname, and Japan. Not in comparison with a country's population, the name is most common in Brazil, Japan, and Hong Kong. Very seldom, Uchikawa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Uchikawa | Brazil, Hong Kong, Japan, United States, China |
| eiichirō uchikawa (b. 1929) |
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| hiroyuki uchikawa (b. 1947) |
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| emiko uchikawa researcher (ORCID 0000-0003-0442-767X) |
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| hideki uchikawa researcher |
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| masanori uchikawa researcher |
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| shinsuke uchikawa researcher (ORCID 0000-0002-1538-4946) |
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