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Worldwide, Thammarat (ธรรมรัตน์ , Thammarat
, ธรรมรัฐ
) is quite a common principally male, but very seldom feminine first name. The given name Thammarat is characteristic of Thailand, where it is quite a common principally boy's, but scarcely girly name, and China, where it is an extremely rare masculine name. Much less frequently, Thammarat is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ธรรมรัต, ธรรมรัฐ, ธรรมรัตน์ | Thailand |
| Thammarat | Norway, Malaysia, United States, Thailand, China |
ธนูธรรมรัตน์, ธรรมรจน์, ธรรมรัตน, ธรรมราช, ธรรมราษฎร์, ธรรมารัตน์, ธรรมเรือง, ธรรมโรเวช, อุณหรัตน์, and อุณหะรัตน์