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Last name Thammasawat (Thammasawat ) , throughout the world, is a very rare family name. The cognomen Thammasawat is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Thammasawat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thammasawat | Thailand |