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Cognomen Khammanang (Khammanang ) , across the world, is a very rare last name. The surname Khammanang is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khammanang | Thailand |
Prapan, Suttida, Jhetsada, Wiwithchai, and Haruethai