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Cognomen Suwittayaphan (Suwittayaphan ) , around the globe, is an extremely rare family name. The surname Suwittayaphan is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Suwittayaphan | Thailand |
Chanvut, Chantanat, and Pattaravadee