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Surname Iamkamphaeng (Iamkamphaeng ) , all over the world, is a very rare cognomen. The surname Iamkamphaeng is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Iamkamphaeng | Thailand |
Sonpong, Somnouk, Patsaya, Yadawat, and Somjintana