Cognomen Vongphakdy (Vongphakdy 
) , in all the world, is quite a rare last name. The family name Vongphakdy is characteristic of Laos, where it is quite a common surname, the United States, where it is a rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Vongphakdy | Canada, Laos, Switzerland, United States, Thailand |