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Family name Phuangchai (Phuangchai ) , in all the world, is an extremely rare cognomen. The family name Phuangchai is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phuangchai | Thailand |
Witit, Chuanpis, and Traiphopphum