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Cognomen Thammawanit (Thammawanit , อุณหวณิชย์
, ธรรมวณิช
) , around the globe, is a rare family name. The surname Thammawanit is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thammawanit, ธรรมวณิช, อุณหวณิชย์, ธรรมวณิชย์ | Thailand |