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Family name Naphassawan (Naphassawan ) , around the world, is an extremely rare cognomen. Much more prevalently, Naphassawan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Naphassawan | Thailand |
Buayam, Sonbarnkoh, Ketphunga, Panduang, Phumsawad, Jatupatphadermpol, Chatrueancharus, and Phoochalermphan