Surname Vilaiphon (Vilaiphon 
) , all over the world, is a rare family name. The family name Vilaiphon is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname. Much less frequently, Vilaiphon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vilaiphon | Laos, United States, Thailand |