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All around the world, Thanwisai (Thanwisai ) is an extremely rare unknown gender forename. Much more prevalently, Thanwisai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thanwisai | Thailand |
Sumit, Pemika, Suricha, Suthida, Aunchalee, Chompuparn, and Ruethairat