Family name Vongphachanh (Vongphachanh 
) , around the globe, is a common surname. The last name Vongphachanh is characteristic of Laos, where it is a common surname, Thailand, where it is a rare surname, and the United States, where it is a very rare surname. Very seldom, Vongphachanh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vongphachanh | Canada, Malaysia, Laos, United States, Thailand |
| bounthanom vongphachanh Laotian swimmer, LA (b. 1980) |
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| vilayphone vongphachanh Olympic swimmer for Laos, LA (b. 1989) |
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