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Surname Simsawat (Simsawat ) , throughout the world, is a rare last name. The cognomen Simsawat is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Simsawat | Thailand |
Nami, U Krit, Busaba, Rachata, Jessada, Tharada, Napeephan, Worawut, Supinalisa, Apitsara, Chatchai, Pissamai, Napeepahn, Saranchana, Chalermkiat, and Ratchaneekorn