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Cognomen Phawichai (Phawichai ) , globally, is a very rare surname. The surname Phawichai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phawichai | Thailand |
Ananya, Darunee, Tanawin, Sunantha, and Thanongsak