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Cognomen Uttamachai (Uttamachai , อุตธรรมชัย
) , in the entire world, is a rare family name. The cognomen Uttamachai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| อุตธรรมชัย, Uttamachai | Thailand |