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Cognomen Piyatat (ปิยทัศน์ , Piyatat
) , across the world, is a rare last name. The last name Piyatat is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. More frequently, Piyatat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ปิยทัศน์ | Thailand |
| Piyatat | United States, Thailand |