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Cognomen Waewtiangtam (Waewtiangtam ) , in the world, is a very rare surname. The last name Waewtiangtam is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Waewtiangtam | Thailand |
Surasak, Surashing, and Praphaisri