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Surname Khunuthai (Khunuthai
, คุณุทัย
) , in all the world, is a very rare family name. The cognomen Khunuthai is habitual in Thailand, where it is a rare surname, and Switzerland, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khunuthai | Switzerland, Thailand |
| คุณุทัย | Thailand |