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Cognomen Promwat (พรหมวัฒน์ , Promwat
) , around the world, is a very rare last name. The cognomen Promwat is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, Promwat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พรหมวัฒน์ | Thailand |
| Promwat | Switzerland, Thailand |