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Cognomen Koualyvong (Koualyvong ) , globally, is quite a rare family name. The family name Koualyvong is habitual in South-eastern Asia, particularly Laos, where it is quite a common surname.
| VARIANT | COUNTRY |
|---|---|
| Koualyvong | Laos |
Somsay, Manylin, Souvanh, Choulavanh, Vannilanh, Oulaivanh, and Chatuphone