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Worldwide, Thammawan (ธรรมวรรณ , Thammawan
) is a very rare unisex first name. The first name Thammawan is characteristic of South-eastern Asia, particularly Thailand, where it is a rare gender-neutral name. Likewise, Thammawan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ธรรมวรรณ | Thailand |
| Thammawan | United States, India, Thailand |