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Family name Sangpayak (Sangpayak ) , in the entire world, is a very rare cognomen. The last name Sangpayak is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sangpayak | Thailand |
Warin, Duanhatai, Smithiporn, Arpornpan, and Arpornphan