Cognomen Oshikawa (Oshikawa 
) , worldwide, is a rare last name. The family name Oshikawa is characteristic of Brazil, where it is a very rare surname, Peru, and Japan. In absolute terms, it is the most numerous in China, Brazil, and Japan. Also, Oshikawa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oshikawa | Peru, Philippines, Brazil, Japan, China |
| chie oshikawa researcher |
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| masaki oshikawa researcher |
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