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Last name Khrueaphayak (Khrueaphayak ) , across the world, is a very rare family name. The cognomen Khrueaphayak is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khrueaphayak | Thailand |
Lawan, Phinai, and Tansirikorn