Cognomen Ishiwa (Ishiwa 
) , in the entire world, is a rare last name. The family name Ishiwa is habitual in Afghanistan, where it is a rare surname, Germany, where it is an extremely rare surname, and Brazil. Also, Ishiwa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ishiwa | Germany, Tanzania, Brazil, Nigeria, Afghanistan |
| takeshige ishiwa researcher |
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