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Family name Wittayasunthon (Wittayasunthon ) , across the world, is a very rare cognomen. The cognomen Wittayasunthon is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wittayasunthon | Thailand |
Suphakon, and Wirongrong