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Surname Wiriyathadasak (Wiriyathadasak ) , throughout the world, is a very rare cognomen. The cognomen Wiriyathadasak is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wiriyathadasak | Thailand |
Punyawee, Ploypapas, and Wongsapath