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Surname Boonyaphithak (Boonyaphithak ) , globally, is a very rare last name. The cognomen Boonyaphithak is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Boonyaphithak | Thailand |
Thiti, Nongluk, Ploybussara, and Thotsaphon