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Cognomen Phangthavong (Phangthavong
) , in the world, is a rare last name. The family name Phangthavong is characteristic of Laos, where it is quite a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phangthavong | Laos, United States |
Latsamy, Damdouane, and Souksavanh