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All around the world, Khuanphadungsak (Khuanphadungsak ) is an extremely rare unknown gender forename. Much more prevalently, Khuanphadungsak is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Khuanphadungsak | Thailand |
Somjit, Apinya, Tasorn, Weerasak, Akkharawin, and Jirattaporn