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Last name Samingvongsa (Samingvongsa
) , throughout the world, is quite a rare family name. The family name Samingvongsa is habitual in South-eastern Asia, particularly Laos, where it is quite a common surname, and Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Samingvongsa | Laos, Thailand |
Bioukhintanh, Savivanh, Khankham, Hongphachanh, and Souksavanh