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Last name Auychai (อวยชัย , Auychai
) , all around the world, is a rare cognomen. The surname Auychai is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. More prevalently, Auychai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| อวยชัย | Thailand |
| Auychai | United States, Thailand |