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Family name Thammarat (ธรรมรัตน์ , Thammarat
, ธรรมรัฐ
) , worldwide, is quite a rare last name. The surname Thammarat is characteristic of Thailand, where it is quite a rare surname, Malaysia, where it is a rare surname, and the United States, where it is an extremely rare surname. More prevalently, Thammarat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ธรรมรัต, ธรรมรัฐ, ธรรมรัตน์ | Thailand |
| Thammarat | Norway, Malaysia, United States, Thailand, China |
ธนูธรรมรัตน์, ธรรมรจน์, ธรรมรัตน, ธรรมราช, ธรรมราษฎร์, ธรรมารัตน์, ธรรมเรือง, ธรรมโรเวช, อุณหรัตน์, and อุณหะรัตน์