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Surname Iyarakarnjanasak (Iyarakarnjanasak ) , worldwide, is an extremely rare last name. The last name Iyarakarnjanasak is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Iyarakarnjanasak | Thailand |
Nopparat, and Weerachart