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Family name Kuptavanich (Kuptavanich ) , around the globe, is a rare cognomen. The family name Kuptavanich is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kuptavanich | Thailand |
Anucha, Varuta, Piyanuch, Thananya, Muchchima, Kittipitch, Thongchai, Harryvong, Chaiyavitch, and Pongsakorn