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Last name Unampai (Unampai , อุ่นอำไพ) , globally, is a very rare family name. The cognomen Unampai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Unampai | Thailand |
Songtam, Supakarn, Taweesak, and Nuchareekorn