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Cognomen Valaiwan (Valaiwan ) , around the globe, is an extremely rare surname. Much more frequently, Valaiwan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Valaiwan | Thailand |
Thamvatakul, Srifuengfung, Chittsuwan, Silatrakul, and Chittasuwan