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Last name Mongkornwong (Mongkornwong ) , all over the world, is a very rare family name. The cognomen Mongkornwong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mongkornwong | Thailand |
Vinai, Atthawit, Paphawin, and Pratumporn