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Cognomen Aaun (Aun
, Aaun
) , in all the world, is a common family name. The surname Aaun is habitual in Malaysia, where it is quite a common surname, Estonia, and Myanmar, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Malaysia, Myanmar, and India. Very seldom, Aaun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aun | Myanmar, Malaysia, India, Indonesia, Pakistan |
| Aaun | Malaysia, India, Nigeria, United States, Thailand |