Cognomen Ijiro (Ijiro 
) , in the entire world, is a very rare family name. The last name Ijiro is habitual in Brazil, where it is an extremely rare surname, Nigeria, and China. Predominantly, Ijiro is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ijiro | Japan, Nigeria, China, Brazil |
| kuniharu ijiro researcher |
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