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Cognomen Karnjanamai (Karnjanamai ) , throughout the world, is a very rare surname. The cognomen Karnjanamai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Karnjanamai | Thailand |
Prayoon, Thanika, Waralak, Parutsawatt, and Teerapan