Cognomen Atsaphanthong (Atsaphanthong 
) , in all the world, is a very rare family name. The surname Atsaphanthong is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Much less frequently, Atsaphanthong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Atsaphanthong | United States |