Surname Ampornsin (Ampornsin 
) , around the world, is a very rare family name. The family name Ampornsin is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Ampornsin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ampornsin | United States, Thailand |