Family name Wiriyathadasuk (Wiriyathadasuk 
) , all around the world, is a rare cognomen. The family name Wiriyathadasuk is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wiriyathadasuk | Thailand |
Punyawee, Kanyapatch, Ploypapus, Trinnasith, and Wongsapath