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Cognomen Kalampavanich (Kalampavanich ) , in the world, is an extremely rare last name. The cognomen Kalampavanich is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kalampavanich | Thailand |
Patchara, Patchawan, and Rattanaporn