In all the world, Vanthong (Vanthong 
) is a rare predominantly girly, but very infrequently masculine forename. The first name Vanthong is habitual in Laos, where it is quite a rare feminine name, Vietnam, where it is a very rare masculine name, and the United States, where it is an extremely rare unisex name. Much less frequently, Vanthong is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Vanthong | Thailand, Canada, Laos, Vietnam, United States |