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Family name Thanaphatchaiyakun (Thanaphatchaiyakun ) , globally, is a very rare cognomen. The cognomen Thanaphatchaiyakun is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thanaphatchaiyakun | Thailand |
Natthakron, and Natthakorn