Surname Auppasan (Auppasan 
) , around the world, is a very rare family name. The family name Auppasan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Auppasan | Thailand |
Chusak, Wassana, Tharaporn, Praphatson, and Rattanaporn