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Family name Banjongtam (Banjongtam ) , in the world, is a very rare last name. The cognomen Banjongtam is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Banjongtam | Thailand |
Sutham, Aninad, Montana, Rachata, Jiraporn, Wanthani, Mantakarn, Suratchada, and Paweenarut