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Worldwide, Piyasuwan (ปิยะสุวรรณ , Piyasuwan
, ปิยะสุวรรณ์
) is an extremely rare masculine forename. More prevalently, Piyasuwan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ปิยะสุวรรณ์, ปิยะสุวรรณ | Thailand |
| Piyasuwan | United States, Thailand |