Cognomen Hiratani (Hiratani 
) , in the world, is a very rare last name. The surname Hiratani is characteristic of Brazil, where it is a very rare surname, France, where it is an extremely rare surname, and Malaysia. In absolute terms, it most frequently occurs in Brazil, China, and the United States. Likewise, Hiratani is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hiratani | Brazil, Japan, China, United States, India |
| yuko hiratani researcher |
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| ichiro hiratani researcher |
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| naoki hiratani researcher |
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