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Cognomen Prongsuwan (Prongsuwan ) , worldwide, is a very rare last name. The cognomen Prongsuwan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Prongsuwan | Thailand |
Nadda, Arporn, Siwaporn, Dutsadee, and Kittiphong