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Family name Khanthama (Khanthama ) , in all the world, is a very rare surname. The cognomen Khanthama is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khanthama | Thailand |
Winai, Adunyachart, Chalita, Khomsan, Thanapong, and Nirattisai