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All over the world, Au (Au
, 奥
, アウ
) is a common epicene first name. The forename Au is habitual in Hong Kong, where it is quite a common gender-neutral name, Iceland, where it is quite a rare female name, and Mauritius. Measured by absolute frequency, it most frequently occurs in China, Hong Kong, and India. Likewise, Au is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Au | Malaysia, Taiwan, Hong Kong, China, Myanmar |
| 奥 | China |
| アウ | Japan |
| Ау | Ukraine, Kazakhstan, Armenia, Russia, China |
Au is also a name for the fictitious and mythical characters: .