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In all the world, Watthanawan (Watthanawan ) is an extremely rare feminine forename. Much less frequently, Watthanawan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Watthanawan | Thailand |
Pimsri, Buasung, Pasasuk, Phaengkrathok, Prasitsan, and Bowonratthakun