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Family name Mahawantan (Mahawantan ) , all over the world, is a very rare cognomen. The cognomen Mahawantan is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mahawantan | Thailand |
Torpat, Wanlop, Yuphin, Yothaka, and Pornchanok