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Cognomen Āyu (อายุ , អាយុ
, Āyu) , worldwide, is a rare surname. The surname Āyu is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. More frequently, Āyu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| อายุวัฒนะ, อายุ | Thailand |
| អាយុ | Cambodia |